[Author Display Mode]
Entry: Description:
Author CSS Use author CSS (document's CSS)
Author Font and Colors Use document's fonts and colors
User CSS Enable user CSS
User Font and Colors Enable user fonts and colors
User Link Settings Enable user link settings
[Auto Update]
Entry: Description:
Add-ons Check Interval This setting holds the interval (in seconds) at which Opera checks for gadget (extensions, Opera Unite applications, widgets) updates. Minimum one day, maximum 30 days, default 3 days.
Auto Update State State of the automatic update system
  • 0 = No update available
  • 1 = Update on server
  • 2 = Update downloaded
  • 3 = Update installation started
Autoupdate Server The address of the auto-update server
Browser JS Time Time of the last downloaded browser.js file
Delayed Update Check Interval Delay of update check when a request to the auto-update server fails (in seconds), set by Opera
Dictionary Time Time of the last downloaded dictionaries.xml file
Download All Snapshots Auto-update all snapshots from the Opera Desktop Team blog
Package Qt Linkage Type of Qt linkage to report to the auto update service
Package Type Type of the package to report to the auto update service
Save Auto Update XML Save the XML returned from the auto-update server to disk
Spoof Time Time of the last downloaded spoof file, override_downloaded.ini
Throttle Level Reduction in download speed for an update, to permit normal browsing
  • 0 = no throttling
  • 9 = bandwidth reduced by 90%
Throttle Period This setting holds the time in seconds of one period of throttling, when throttling is active
Time Of Last Upgrade Check Time Opera last checked for updates
Update Check Interval Time interval for update check (in seconds)
[BitTorrent]
Entry: Description:
Bandwidth Restriction Mode Enable automatic bandwidth restriction
Enable Enable file distribution using BitTorrent
Listen Port Port listening for incoming connections
Log File Select file path for debugging output. Setting not operable
Max Download Rate Limitation on bandwidth usage for uploading in KB/s -- only effective if Bandwidth Restriction Mode is 0
Max Upload Rate Limitation on bandwidth usage for uploading in KB/s -- only effective if Bandwidth Restriction Mode is 0
Warning Dialog Display warning dialog for Torrent downloads
[CSS Generic Font Family]
Entry: Description:
Cursive Font name of CSS family Cursive
Fantasy Font name of CSS family Fantasy
Monospace Font name of CSS family Monospace
Sans-Serif Font name of CSS family Sans-Serif
Serif Font name of CSS family Serif
[Cache]
Entry: Description:
Always Check Never-Expiring GET queries Check normal GET URLs if they have "?" in the URL and no expiration date from server
Always Check Redirect Always check redirect on documents
Always Check Redirect Images Always check redirect on images
Always Reload HTTPS In History Always reload HTTPS pages when accessing history
Application Cache Quota Default maximum size for offline application cache in kilobytes
Cache Docs Cache documents in memory cache
Cache Figs Cache images in memory cache
Cache HTTPS After Sessions Keep HTTPS pages in cache on exit
Check Expiry History Check for expiry when accessing page from history
  • 0 = Respect server expiry setting unless overrun by user setting
  • 1 = Disregard server expiry setting
  • 2 = Never check for expiration
Check Expiry Load Check for expiry when loading page
  • 0 = Respect server expiry setting unless overrun by user setting
  • 1 = Disregard server expiry setting
  • 2 = Never check for expiration
Document Size of document cache in kB
ECMAScript Available memory for JavaScript engine in kB
Figure Size of image cache in kB
SVG Cache Size Size of SVG image cache in kB
[Clear Private Data Dialog]
Entry: Description:
CheckFlags Remember which fields were checked for last use. Bit field
  • 0 = None selected
  • 1 = Clear all cookies
  • 2 = Clear password-protected pages from cache
  • 4 = Delete temporary cookies
  • 8 = Clear email password (Not in use)
  • 16 = Clear history of visited pages
  • 32 = Clear typed-in addresses
  • 64 = Clear history of visited links
  • 128 = Clear cache
  • 256 = Clear download history
  • 512 = Clear bookmark visited time
[Colors]
Entry: Description:
Background Background color of document
Color.Form.Button Color for form buttons
Color.Form.Input Color for input in forms
Color.Form.Text Color for text in forms
Color.H1 Color for headings
Color.H2 Color for headings
Color.H3 Color for headings
Color.H4 Color for headings
Color.H5 Color for headings
Color.H6 Color for headings
Color.Normal Color for normal text
Color.PRE Color used for pre-formatted text
Edit Background Background in most text fields
Highlighted Background Background of text that is highlighted (after a search for instance)
Highlighted Background Unfocused Background of text that is highlighted but has no focus
Highlighted Text Undocumented
Highlighted Text Unfocused Undocumented
Link Color used for webpage links
Selected Background Background of text that is selected
Selected Background Unfocused Background of text that is selected but has no focus
Selected Text Undocumented
Selected Text Unfocused Undocumented
Skin Color to apply to skin
Tooltip Background Color used for tooltip backgrounds
Tooltip Text Used for text in tooltips
Visited link Color used for visited links
[Columns]
Description
This section specifies the states of Opera's columns and tree views. It is set automatically and should not be edited.
[Developer Tools]
Entry: Description:
Developer Tools URL The URL of the application to be loaded into the Developer Tools window
Proxy Auto Connect Connect to proxy when Opera starts
Proxy Host Address of machine running the proxy process
Proxy Port Port number of the proxy process
[Disk Cache]
Entry: Description:
Cache Docs Cache documents
Cache Figs Cache images
Cache HTTPS Cache secure webpages on disk
Cache Other Cache other content
Docs Modification Check for modication every time, never, or at timed intervals specified in separate settings
  • 0 = Never
  • 1 = Always
  • 2 = Timed intervals
Documents Expiry Cache expiry time in seconds for documents
Empty On Exit Empty cache when exiting Opera?
Enabled Enable disk cache
Figs Modification Check for modication every time, never, or at timed intervals specified in separate settings
  • 0 = Never
  • 1 = Always
  • 2 = Timed intervals
Images Expiry Cache expiry time in seconds for images
Media Cache Size Size of media disk cache in kilobytes
Multimedia Stream Always Always stream Multimedia content (audio/video tag), wasting bandwidth but saving disk space
Multimedia Stream Size Size, in kilobytes, of the file used when streaming with the Multimedia Cache
Multimedia Stream in RAM When streaming, do it in RAM
Other Expiry Cache expiry time in seconds for other content
Other Modification Check for modication every time, never, or at timed intervals specified in separate settings
  • 0 = Never
  • 1 = Always
  • 2 = Timed intervals
Size Disk cache size in kilobytes
[Extensions]
Entry: Description:
Ask Flash Download Prompt about Flash Plug-in download when Flash Plug-in is not available
Delayed Script Execution Primarily for low bandwidth devices, not well-tested on desktop. Ignore script tags until entire document is parsed and rendered, then execute all scripts in order and re-render.
EcmaScriptJIT Enables machine code generation for ECMAScript
Enable Canvas Enable HTML element canvas. Note: Setting not operative.
Frames Enable frames in documents
Frames Show Active Show active frame with border
IFrames Enable inline frames
Plugin Failed Warning Give warning about plug-in performing illegal operation and being removed
Plugin Script Access When disabled, the extra parameter AllowScriptAccess=SameDomain is added to Flash Player, if not already present
PluginResponseTimeout How many seconds Opera should wait for a plug-in to respond
PluginStartTimeout How many seconds Opera should wait for a plug-in to launch
Plugins Enable plug-ins
Script Debugger Enable the script debugger
Scripting Enable JavaScript/ECMAScript
[File Selector]
Entry: Description:
Dialog Toolkit File dialog toolkit
  • 0 = Autodetect toolkit to use for file selector
  • 1 = Use Qt for file selector (deprecated, will fall back to KDE)
  • 2 = Use GTK for file selector
  • 3 = Use KDE for file selector
  • 4 = Use X11 for file selector
Show Details Show file and directory details in "Save" and "Open" dialogs
Show Hidden Files Display hidden files in "Save" and "Open" dialogs
[File Types Section Info]
Entry: Description:
Version This is used by Opera only for version control. Editing is not recommended
[Fonts]
Entry: Description:
Dialog Used in Opera dialogs
Email Used in email, news, and newsfeeds
EmailCompose Used when composing mail
Form.Button Used on button text in Web forms
Form.Input Used for input in Web forms
Form.Text Used for text in Web forms
H1 Used in webpage headings
H2 Used in webpage headings
H3 Used in webpage headings
H4 Used in webpage headings
H5 Used in webpage headings
H6 Used in webpage headings
HTMLCompose Used when composing mail in HTML
Menu Used in Opera's menus
Normal Used for normal text in webpages
PRE Used for pre-formatted text in webpages
Panel Used inside Opera's panels
Prefer Fontconfig Settings Prefer font render settings obtained from fontconfig over those obtained from the UI toolkit
Toolbar Used in Opera's toolbars
Tooltip Used in Opera's tooltips
[Geolocation]
Entry: Description:
Access Token Access token used for location provider
Access token timestamp UNIX timestamp for the setting of the access token
Collect location data in background Keep sending location data to location provider even when the DOM geolocation API is not used.
Enable geolocation Enable or disable geolocation
Location Provider URL URL for the provider of position data based on Wi-Fi access points, cell phone info, etc.
Send location request only on change Only send location request if some of the data providers (Wi-Fi, cell, etc) actually changed.
[Handheld]
Entry: Description:
External Image Allow external images when emulating handheld device
[HotListWindow]
Entry: Description:
ActiveTab Denotes last active panel. Numbering depends on order of present panels
Bookmarks Manager Splitter Splitter position in bookmark manager
Bookmarks Manager Style How the manager should be displayed. Set automatically based on last view
  • 0 = Full tree in one view
  • 1 = Split view
  • 2 = Flat view
Bookmarks Splitter Position of splitter in bookmarks panel
Bookmarks Splitter Position Splitter position (float) in bookmarks window
Bookmarks Style See manager style for available options
Contacts Manager Splitter Splitter position in contacts manager
Contacts Manager Style See bookmarks manager style for available options
  • 0 = Full tree in one view
  • 1 = Split view
  • 2 = Flat view
Contacts Splitter Position of contacts panel splitter
Contacts Splitter Position Splitter position (float) in contacts window
Contacts Style See bookmarks manager style for available options
Hotlist Single Click Activate panel items with a single click (0=double-click)
Music Splitter Setting not operable
Notes Splitter Position of Notes panel splitter
Show Accountinfo Details Show server connection status for each account
SortAsc Sort bookmarks in ascending order
SortBy Sort bookmarks by
  • -1 = My order/unsorted
  • 0 = Name
  • 1 = Nickname
  • 2 = Address
  • 3 = Description
  • 4 = Created
  • 5 = Last visited
Visible Flag for whether panel is visible or not
cxDocked Undocumented
[ISP]
Entry: Description:
Id Custom user agent substring (needs a restart)
[Install]
Entry: Description:
Custom Bookmark Merge File File name of the custom bookmark file to import
Custom Bookmark Revision Filename of bookmarks that should be merged into existing bookmarks on startup
First Run Timestamp Unix timestamp of first run
First Used Version Indicates the first version of Opera that has successfully run
Newest Used Version Indicates the highest version of Opera that has succcessfully run
One Time Page Page to display on first run only
Preference URL URL for downloading list of sites Opera will change user agent string for

Note: The entire [Interface Colors] section applies only to Opera for UNIX on X11 when the UI toolkit is neither GTK nor KDE.

[Interface Colors]
Entry: Description:
Background Background color of document
Background Disabled Disabled background color
Background Highlighted Highlighted background color
Background Highlighted NoFocus Unfocused highlighted background color
Background Selected Selected background color
Background Selected NoFocus Unfocused selected background color
Button Button color
Button Dark Dark button color
Button Light Light button color
Button Text Button text color
Button Very Dark Very dark button color
Disabled UI Font Disabled UI font color
Link Links
Scrollbar Background Scrollbar background color
Skin the "color" of the system's color scheme
Text Text Color
Text Disabled Disabled text color
Text Highlighted Highlighted text color
Text Highlighted NoFocus Unfocused highlighted text color
Text Selected Selected text color
Text Selected NoFocus Unfocused selected text color
Tooltip Background Tooltip background color
Tooltip Text Tooltip foreground color
UI Background UI background color
UI Button Hover UI button hover color
UI Font UI font color
UI Menu UI menu color
Visited Link Visited link color
Workspace Workspace background
[Java]
Entry: Description:
Enabled Enable Java in webpages
JVM DLL Path Full path to the JVM runtime you want to use (usually a subdirectory of the home directory)
JVM Home Directory Path to the root directory for the custom JVM
JVM Vendor Id An ID for the vendor of the custom JVM, used only for generating JVM information to display
  • 0 = Unknown
  • 1 = Sun
  • 2 = IBM
  • 3 = Sun JDK
JVM Version String Version string, used only for generating JVM information to display
Opera Classpath Path to the opera class file. Default location is platform dependent
Revert Initial Applet Focus Revert focus for new applets. UNIX only
Security Policy Path to Java security policy file. Default location is platform dependent
[Mail]
Entry: Description:
Default Mail Search Type Search for mail in:
  • 0 = current view
  • 1 = all messages
ExtAppParamSpaceSubst Replace undefined parameter with space when launching external application
External Application Full path to external mail application
Handler Set which email client to use.
  • 1 = Use Opera
  • 2 = Use external client
  • 3 = Use system default
Mail Database Consistency Check Time UNIX time of the last consistency check of the mail database
Mail Root Directory Root directory for your email storage and settings
Mail Style File Style for runtime generated mail pages
Webmail Address URL to Web mail service
Webmail Service 0
[MailBox]
Entry: Description:
AddressFile Full path to contact list file
MusicFile Setting not operable
NotesFile Full path to notes save file
[Matches]
This section of operaprefs.ini details the quick find history available in drop-down lists.
[Multimedia]
Entry: Description:
Always load favicon
  • 0 = Never
  • 1 = Always
  • 2 = Embedded only
Interpolate Images Smooth zooming of images
Play Background Sound If page has sound, play it. Note: Disabling makes voice features unavailable.
Show Animation Allow animation of images
[Network]
Entry: Description:
Allow Cross Network Navigation 0
Allow Pre Authentication Allows faster HTTP authentication when password has been sent for parent directory.
Check Local HostName Look for local hosts before trying autocomplete
Disable HTTP OPTIONS requests Avoid sending "options" header to proxies
Enable Content Blocker 1
Enable HostName Expansion Enable autocompletion of server names
Enable HostName Web Lookup Use Web service to search if server name lookup fails
Enable NTLM Enable NTLM and Negotiate authentication methods (Windows only)
HTTP Accept Empty string = use default. The entire HTTP "Accept" header must be typed in for alternative setting
HTTP Accept Charset Data for HTTP header "Accept-Charset"
HTTP Accept Language Comma-separated list of preferred languages for webpages, the data for HTTP header "Accept-Language"
HTTP Idle Timeout Timeout for idle HTTP connection in seconds. 0 = no timeout
HTTP Loading Delayed Timeout Timeout for HTTP Loading Delayed messages in seconds. 0 = no timeout
HostName Expansion Postfix Attempt server name completion using this suffix
HostName Expansion Prefix Attempt server name completion using this prefix
HostName Web Lookup Address URL to Web search to use if server name lookup fails
IDNA White List Top-level domain white list for International Domain Names (IDN). Switch to black list by prefacing list with ~
Permitted Ports Comma-separated list of additional permitted ports
Plugin Ignore File Path to a list of plug-ins Opera should ignore
Track Password Cookie Usage Use cookies to trace and remove password-protected pages from cache and history
URL Filter File Filter list of URLs
UTF8 Escape URLs 1
Use Absolute FTP Path Use absolute paths when logging on to FTP servers
[News]
Entry: Description:
External Application Path to external Usenet news application. UNIX only
[OEM]
Entry: Description:
Never Flush Cache Expiration Time Days Number of days to keep a "never flush" item
Never Flush Trusted Servers Use Operator Cache (permanent caching) for listed servers
Operator Cache Size Size of Operator Cache in kB
Out Of Coverage File Name Setting not relevant for desktop
[Opera Account]
Entry: Description:
Computer ID Unique ID that identifies your computer
Opera Account Used Is there an Opera account username registered?
Save Password Save Opera account password?
Server Address Address accepting login information for Opera account
Username Username of Opera account
[Opera Sync]
Entry: Description:
Last Cached Access Time of last signup
Last Cached Access Num Number of signups on day of Last Cached Access
Sync Bookmarks If set, bookmarks will be synchronized
Sync Client State Opera Link sync state, generated by the server
Sync Client State Bookmarks Opera Link sync state, generated by the server
Sync Client State Notes Opera Link sync state, generated by the server
Sync Client State Searches Opera Link sync state, generated by the server
Sync Client State Speed Dial Opera Link sync state, generated by the server
Sync Client State Typed History Opera Link sync state, generated by the server
Sync Client State URL Filter Opera Link sync state, generated by the server
Sync Data Provider Server providing Opera Link data
Sync Enabled If set, Opera Link is enabled
Sync Last Used Timestamp when Opera Link was last used
Sync Notes If set, notes will be synchronized
Sync Personalbar If set, bookmarks on the personal bar will be synchronized
Sync Searches If set, search engines will be synchronized
Sync Speed Dial If set, Speed Dial will be synchronized
Sync Typed History If set, typed history will be synchronized
Sync URL Filter If set, content blocker rules will be synchronized
Sync Used If set, user has used Opera Link
[Performance]
Entry: Description:
Asynchronous DNS Lookup TimeOut Seconds How many seconds Opera should wait for an asynchronous DNS lookup.
Enable Pipelining Enable HTTP Pipelining
HTTP Error Strategy Strategy for server error messages
  • 0 = Always show server error
  • 1 = Never show server error
  • 2 = Show custom error messages
Lag Threshold For Animation Throttling The average lag (in ms) of messages in dispatcher's queue that should be considered as throttling trigger. This value is a threshold used to determine whether the throttling of animated content is needed or not.
Max Connections Server How many connections to allow to the same server
Max Connections Total How many connections to allow in total
Network Buffer Size Size of network buffer in kilobytes
No Connection Keepalive Disallow persistent connections to servers for HTTP, FTP and news. Allow = 0
Non-Compliant Server 100 Continue Use 100-continue override for non-compliant host
Reduce Max Persistent HTTP Connections If pipeline connection to server, reduce maximum total connections to server
Switch Animation Throttling Interval The minimal interval (in ms) that should be kept between enabling/disabling the throttling of animated content. This value is used used to not switch the throttling too often.
Synchronous DNS Lookup Use synchronous DNS lookup
[Persistent Storage]
Entry: Description:
Databases Access Handling Tells if databases are enabled for a specific origin.
  • 0 = no
  • 1 = allow
Domain Quota Exceeded Handling For Databases Open a dialog when the quota for database storage is exceeded
Domain Quota Exceeded Handling For Widget Preferences Open a dialog when the quota for widget.preferences is exceeded
Domain Quota Exceeded Handling For localStorage Open a dialog when the quota for local storage is exceeded
Domain Quota For Databases Quota for database storage data in kilobytes
Domain Quota For Widget Preferences Quota for widget.preferences data per origin in kilobytes
Domain Quota For localStorage Quota for local storage data in kilobytes
Global Quota For Databases Global quota for all database storage data in kilobytes
Global Quota For Widget Preferences Global quota for all widget.preferences data in kilobytes
Global Quota For localStorage Global quota for all local storage data in kilobytes
SQL Query Execution Timeout Execution timeout for database queries in milliseconds
User JS Storage Quota Quota in kilobytes available for user script storage. Set to 0 to prevent any use.
[Personal Info]
Entry: Description:
Address Settings > Preferences > Forms > Password Manager
City
Country
EMail
First Name
Home Page Complete URL
Special 1 Field for miscellaneous information
Special 2 Field for miscellaneous information
Special 3 Field for miscellaneous information
State
Surname
Telefax Field alternatively used for mobile phone
Telephone
Zip
[Printer]
Entry: Description:
Bottom Margin Margin in millimeters
ColorMode Use color mode for printout. UNIX only
Default Frames Print Type How to print frames
FileName Set default file name for printing to file. UNIX only
Fit To Width Print Fit to paper width
Left Margin Margin in millimeters
NumCopies Number of copies to print. UNIX only
Orientation UNIX only. Portrait = 0, landscape = 1
PageOrder UNIX only. First page first = 0, last page first = 1
PageSize UNIX only. Page size for printing. A4 = 0
Print Background Print background image?
Print Left Footer String Lower left print footer string
Print Left Header String Upper left print header string
Print Right Footer String Lower right print footer string
Print Right Header String Upper right print header string
Print To File DPI DPI of the virtual printer
Print To File Height Height of the virtual paper in 1/100 of an inch (A4)
Print To File Width Width of the virtual paper in 1/100 of an inch (A4)
PrintToFile Print to file or not. UNIX only
PrinterCustomName UNIX only. Full path to printer program to use
PrinterCustomParameter UNIX only. Parameters for printer program
PrinterName UNIX only. Selected printer, default is system dependent
Right Margin Margin in millimeters
Scale Default print zoom in percentages
Show Printer Header Add header and footer to printed document
Top Margin Margin in millimeters
UseCustomName Use custom printer program
[Proxy]
Entry: Description:
Automatic Proxy Configuration URL URL of automatic proxy configuration file
Enable HTTP 1.1 for proxy Permit HTTP 1.1 when connecting to proxy
Enable start with HTTP 1.1 for proxy Permit HTTP 1.1 on first request when connecting to proxy
FTP server Address of server
Gopher server Address of server
HTTP server Address of server
HTTPS server Address of server
No Proxy Servers Comma-separated list of host names that should not go through proxy
No Proxy Servers Check Avoid using proxy for certain host names?
Opera Turbo Config File Configuration file for Opera Turbo
Opera Turbo bypass URLs A space-separated list of URLs that should be accessed directly instead of through the Opera Turbo service
Use Automatic Proxy Configuration Use file specified as Automatic Proxy Configuration URL
Use FTP Use proxy for FTP
Use GOPHER Use proxy for Gopher
Use HTTP Use proxy for HTTP
Use HTTPS Use proxy for HTTPS (secure sites)
Use Opera Turbo Enable Opera Turbo
Use Proxy On Local Names Check Access local machines through proxy?
Use WAIS Use proxy for WAIS
Use Web Turbo Mode Turns Opera Turbo on or off
WAIS server Address of server
Web Turbo Config File File listing an alternate server for Opera Turbo
[SVG]
Entry: Description:
Rendering Quality Smoothness of curves in SVG display. Lower value = higher quality
Target Framerate The target frame rate for SVG animations
[Saved Settings]
Entry: Description:
Open Dir Full path to last used directory for opening file
Save Dir Full path to last used directory for saving file
[Security Prefs]
Entry: Description:
Crypto Method Overrides Remotely-updateable bit flags used to warn about or disable insecure cryptographic methods
Enable SSL v3 Enable Secure Socket Layer version 3
Enable TLS v1.0 Enable Transport Layer Security version 1
Enable TLS v1.1 Enable Transport Layer Security version 1.1
Enable TLS v1.2 Enable Transport Layer Security version 1.2
Minimum Security Level Minimum SSL security level allowed
OCSP Validate Certificates Enable online SSL certificate validation
Password Lifetime Expiry time in minutes for master password in memory
Strict EV Mode Enable strict Extended Validation, that only displays the EV indicator if all content is EV
Use Paranoid Mailpassword Use master password for email/password manager
[Sounds]
Entry: Description:
Clicked Full path to sound file played when user clicks the mouse
Enabled Enable action sounds in Opera
End Full path to sound file played when Opera exits
Failure Full path to sound file played when an operation fails
Loaded Full path to sound file played when page loading is completed
Start Full path to sound file played when Opera starts
Transfer Done Full path to sound file played when file transfer is completed
[Special]
Entry: Description:
Go Home Time Out Time before returning automatically to home page in seconds. Kiosk mode setting
JavaScript AppCodeName Which name should be retrieved by the DOM/JS property that retrieves code name of browser
JavaScript AppName Which name should be retrieved by the DOM/JS property that retrieves code name of browser
JavaScript IE AppName Which name should be retrieved by the DOM/JS property that retrieves code name of browser
JavaScript Opera AppName Which name should be retrieved by the DOM/JS property that retrieves code name of browser
[State]
Entry: Description:
Accept License License has been displayed and accepted. UNIX only
Reading Plugins Set to 1 when scanning plug-in. Should be 0 between sessions, 1 indicates crash
Run Flag which is set to 1 when Opera starts, and to 0 when it exits. If se tting is 1 at start-up, Opera will behave as recovering from crash. Editing this setting is not recommended
[System]
Entry: Description:
DisableTextSelect Disable all selection of text
Use ScreenReader Menus Enables screen-reader compatible menus when an MSAA query is detected (Windows only)
Force CD Only allow CD operation. Windows only
Multi User Operadef6.ini and Windows only. Default is system dependent
[TransferWindow]
Entry: Description:
Activate On New Transfer Show transfers when starting download
Keep Entries Days Days to keep entries in transfer manager
ShowDetails Show transfer details in window
[Trusted Protocols]
Syntax: Description:
protocol=use,terminal, full path to application List of trusted protocols and how to handle them. Values:
  • 0 = Use other application
  • 1 = Use default application
  • 2 = Run in terminal
[User Agent]
Entry: Description:
Allow Components In UA String Comment Allow adding extra components to UA string
Spoof UserAgent ID Browser to identify as
  • Global values:
  • 1 = Opera
  • 2 = Mozilla
  • 3 = Internet Explorer
  • Site-specific values:
  • 4 = Mozilla, Opera not mentioned
  • 5 = Internet Explorer, Opera not mentioned
[User Display Mode]
Entry: Description:
Author CSS Enable author CSS
Author Font and Colors Enable author fonts and colors
User CSS Enable user CSS
User Font and Colors Enable user font and colors
User Link Settings Enable user link settings
[User Prefs]
Entry: Description:
Default Line Height Cyrillic Line height to use for pages encoded with a Cyrillic encoding, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
Default Line Height General Line height to use for pages not covered by the following preferences, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
Default Line Height Japanese Line height to use for pages encoded with a Japanese encoding, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
Default Line Height Korean Line height to use for pages encoded with a Korean encoding, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
Default Line Height Simplified Chinese Line height to use for pages encoded with a simplified Chinese encoding, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
Default Line Height Traditional Chinese Line height to use for pages encoded with a traditional Chinese encoding, when line height is not explicitly specified. Values >= 0 represent the line height in relation to the font height in permille, e.g 1200 for 1.2. Use -1 for default line height.
About Style File About page CSS file
Accept Cookies Session Only Throw away cookies on exit
Activate Tab On Close When closing a tab
  • 0 = activate the last active tab
  • 1 = activate the next tab
  • 2 = activate first tab opened from current tab
Address Search Drop Down Weighted Width New default weighted width of the search field drop-down, measured as a percentage of the address bar
Address Search Drop Down Width Width of the address search drop-down field
AddressBar Alignment Position of address bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
Addressbar Content Search Enable automatic searching of content from the address field
Addressbar Inline Auto Completion Automatic completion of previously typed addresses in the address field
Allow Autofocus Form Element Allow autofocus of form upon loading webpage, both via javascript focus() and html attribute autofocus.
Allow Context Menus Enable right-click menus (Ctrl-click on Mac).
Allow Empty Workspace Permits the last tab to be closed
Allow File XMLHttpRequest Allow XMLHttpRequest between files which is something that is normally blocked for security reasons. Turning this on will allow web developers to test web applications stored on disk.
Allow Scripts To Navigate In History Enables or disables scripts to navigate in DOM history
Allow script to change status Allow JavaScript to alter the contents of Opera's status field
Allow script to hide address Allow JavaScript to open tabs without full address field
Allow script to lower window Allow JavaScript to minimize pages
Allow script to move window Allow JavaScript to change the position of pages
Allow script to raise window Allow JavaScript to activate minized pages or windows
Allow script to receive right clicks Allow JavaScript to override right mouse button action
Allow script to resize window Allow JavaScript to change size of pages and windows
Alternative Page Cycle Mode Page cycle mode to use when cycling without displaying list of pages
  • 0 = Recently used order
  • 1 = Page bar order
Always Load User JavaScript Makes User JavaScript load on all pages, including documents not containing scripts. Automatically set to 1 when a User JavaScript folder is added/User JS is enabled. As long as User JS is enabled, changing this setting is strongly discouraged.
Always Reload Interrupted Images Restart download of interrupted images when activating a document
Append Extension To Filename Automatically add extension to saved file. UNIX only
Ask About Missing Dictionary Not in use
Application Icon Full path to alternative icon file. Windows only
Ask Closing DialUp Connections Turn on prompt for closing dial-up connections. Windows only
Ask For Cookie Confirmation Prompt user before setting cookies
Auto Dropdown Allow autocompletion dropdown
AutocompleteOff Disables Wand Allow autocomplete attribute in forms to disable password manager
Automatic RAM Cache Decide space used by memory cache automatically
Automatic Select Menu Enable double-click context menu for text
Automatic Window Storage File Path to file where Opera continuously stores session
Avoid Flicker Enable double-buffering
Browser CSS File Path to browser style sheet
Browser JavaScript Whether to download and use the browser.js file. Enable by setting to 1, Opera will then download the file and set to 2.
  • 0 = Never download or use
  • 2 = Use and check for updates weekly
  • 1 = browser.js signature invalid. On next check for update, a new browser.js will be downloaded and the value set to 2.
Button Directory Path to skins
Button Set Current skin file
Cache Directory4 Full path to cache directory. Empty string = use default cache4.dat
Cache Style File CSS file for page displaying cache contents
Center Mousebutton Action Configure center mouse button clicks
  • 0 = Open link
  • 1 = Open in new page
  • 2 = Open in background
  • 3 = Open in new window
  • 4 = Open in background window
  • 5 = Do not open link
Certificate Info CSS File Path to CSS file for certificate information
Chat Room Splitter Position of splitter in chat window
Check For New Opera Keeps track of weekly check for new updates. Set to 0 to disable
Chrome Integration Drag Area The height of the draggable area when the tabs are integrated in the window chrome
Chrome Integration Drag Area Maximized The height of the draggable area when the tabs are integrated in the window chrome and the window is maximized
Click To Minimize Click a tab to minimize it
Client Pull Enable HTTP redirection
Client Refresh Enable automatic redirection
Color List Row Mode Alternate background colours in lists
Color Scheme Mode 0 disable, 1 system, 2 color scheme
CompatMode Override Allow quirksmode. 0 Auto, 1 Constant, 2 Never
Config Style File Style for runtime generated config page
Confirm Open Bookmark Limit Prompt if more than this many bookmarks opened at once. Set to 0 to disable
Console Error Log Path to log output file from error console
Console Error Log Enabled Enable logging of console errors to file
Console Error Log Filter Filter to use in console error log
Content Block CSS File CSS file used in content block edit mode
Crash Feedback Page Web address for server feedback, after the user has sent a crash log. Opens after restart.
Custom Colors Custom colors for color selector dialog
Debug Skin When set, will show information about the skin element in the tooltip hover
Debug Style File Style for runtime-generated opera:debug page
Default Mail Store Type
  • 0 = none: do not store messages locally, fetch from server when clicking
  • 1 = monthly: create one big mbox file for each month of messages (Opera 7/8-style)
  • 2 = per message: create one mbox file per message
  • 3 = database cursor: store all messages in one big, compressed binary file
DevTools Open Attached Last used state of developer tools window (attached or detached).
DevTools Splitter Position Position of developer tool in main window, measured in pixels
Dialog Configuration File defining dialog layout
Dim Search Opacity Opacity for the dim effect used when using page search, measured in percent.
Dir Style File Path to CSS file for viewing directory listings (local and FTP)
Direct History File File containing history of typed-in URLs. Use full path
Directory Image Path to default directory image file for directory/file listings
Disable Bookmark Import Disable import of bookmarks on first run. Can be set on packaging/installation to prevent bookmark import from current default browser.
Disable Client Refresh To Same LocationDisable refresh by META tag to the same location
Disable Opera Package AutoUpdate Disable auto-update, and remove all traces of it from the UI
Disabled Cookie State Cookie settings when last enabled
Disabled PluginsList of the plug-in paths that user manually disabled
Display Link Title Display title of link in tooltip
Do Not Show Cookie Domain Errors Avoid displaying error dialogs for cookie domains
Do Not Show Cookie Path Errors Avoid displaying error dialogs for cookie paths
Do Not Show Language Version Conflict Warning Avoid warning about language file/browser version conflict. Note: The Opera 8 language file format is not compatible with Opera 9.
Do Not Show No Domain IP Addess Errors Handling missing IP address when trying to set cookie
  • 0 = Refuse with error message
  • 1 = Refuse silently
  • 2 = Accept for server only
Document Mode CSS usage settings
Doubleclick to Close Tab Enables double click for closing of tabs
Download Directory Path to default download directory. Platform dependent
Download Manager The path of external download manager to use, empty value or "opera" indicates none.
Downloaded Overrides File File storing downloaded host overrides
Draw Anti Aliased Fonts Enable anti-aliasing. UNIX only
Drives Style File Path to CSS file for display of drive listings
Ellipsis In Center Shorten button and tab names in the middle
Enable Cookies Available options
  • 0 = Refuse all
  • 1 = Refuse third party
  • 2 = Only third party set to same server
  • 3 = Accept all cookies
  • 4 = Only first party cookies as specified in server manager
  • 5 = Treat all cookies as specified in manager, but refuse third party not set to same server
  • 6 = Treat all cookies as specified in manager
  • 7 = Prompt for each third party cookie
  • 8 = Accept first party as specified in manager, prompt for third party
Enable Core X Fonts Enable all Core X fonts. UNIX only
Enable DDE Enable Dynamic Data Exchange in Opera. Windows only
Enable Drag Bit field; which elements to enable drag and drop for:
  • 1 = link
  • 2 = bookmark
  • 8 = same window
Enable Edit Triple Click Handling double clicks in text edit fields. UNIX only
  • 0 = Double-click text to select all
  • 1 = Double-click to select word, triple-click to select all
Enable Extended Keyboard Shortcuts Enables shortcuts labeled "Feature ExtendedShortcuts" in keyboard.ini file (mostly single-key shortcuts)
Enable Gesture Enable mouse gestures
Enable Mouse Flips Enable forward and backward navigation via mouse flips
Enable On Demand Plugin Enable plug-ins on a case-by-case basis, and only when explicitly requested by the user
Enable On Demand Plugin Placeholder Enable displaying an image as placeholder for on demand plugins
Enable Referrer Enable referrer logging; allow Web sites to know which site you came from
Enable Scroll Marker scroll marker appears:
  • 0 = never
  • 1 = when hitting page top and bottom
  • 2 = when scrolling more than 10%
Enable Scrollbar Colors Allow CSS styling of scroll bars
Enable Service Discovery Notifications Show/hide discovered locally hosted applications in the UI
Enable Start Tool Bar Enable drop-down start bar on address field
Enable Styling On Forms Allow document to style form elements
Enable Trust Rating Enable anti-phishing by trust rating each visited website
Enable UI Animations Enable animations in the UI
Enable Unite Enable Opera Unite services
Enable Usage Statistics Enable usage statistics
Enable Wand Enable password manager
Enable WebSockets Enables or disables scripts to use WebSockets
Enable Webfonts Enable downloadable fonts
Enable Xft Fonts Enable Xft fonts. UNIX only
Enable config URL Enable opera:config
Entities In Forms Enable numerical character reference for characters in forms data not in form character encoding
Error Console Filter Current display filter for the error console
Error Style File Style file for the error console
Exceptions Have Stacktrace Stacktrace information is included in each exception object thrown
Extended Center Mousebutton Action Paste and go. UNIX only. 0 = start panning
Extension Set ParentName of toolbar, that is supposed to show ExtensionSet widget
Fallback HTML Encoding Encoding to use when none is specified in document. Default depends on platform and language version
File Image Path to image used for file listings
Fast Forward Configuration File defining fast forward keywords
First Update Delay Page redraw delay in milliseconds
FlexRoot Max Width Maximum width of flex-root (0 means disable flex-root)
FlexRoot Min Width Minimum width of flex-root (Ignored if FlexRootMaxWidth is 0. FlexRootMinWidth=0 means use viewport width)
Force DPI Set absolute DPI value for fonts
Force Encoding Override document encoding
  • Do not override = ""
  • [Exact name of encoding]
  • Japanese = "Autodetect-JP"
  • Chinese = "Autodetect-ZH"
  • Korean = "Autodetect-KO"
  • Cyrillic = "Autodetect-RU"
Format Unstyled XML Enables pretty printing of unstyled XML
Geolocation site state Determines whether websites are allowed to retrieve the current geolocation
Gesture Threshold Threshold for mouse gestures
Global History File Opera history is stored in this file. Full path
Google TLD Default Default top level domain to use for Google
Google TLD Downloaded Set on a successful download of the Google top level domain, and reset on every attempt to download the TLD
Google TLD URL URL to Google's top level domain lookup server
Has Restored Extensions 2 = repaired MIME types. Do not tinker. UNIX only
Has Restored MIME Flag 1 = changed default setting for trusting MIME types. Avoid tinkering. UNIX only
Has Shown Center Click Info Dialog for configuring middle-click action shown already?
Has Shown KDE Shortcut Message Warning that KDE is detected and uses certain shortcuts. UNIX only
Has Shown Plugin Error Plug-in problem dialog shown already? UNIX only
Help URL Full path to Opera Help. Changing this setting is not recommended
Hide Mouse Cursor Typically for kiosk setups with no mouse
Hide URL Parameter Hide URL parameters in the address field
History Navigation Mode
  • 1 = Automatic mode
  • 2 = Compatible mode
  • 3 = Fast mode
Read more about history navigation.
History Style File CSS for opera:history.
History View Style View mode for history panel
Home URL URL to user-defined home page, specify full path to local file or a Web URL.
Hot List File Ver2 Full path to Opera bookmarks file. Empty string = use default.adr
Hotlist Alignment Position of hot list window
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
IM Style File CSS for chat client
Ignore Target Disallow documents to create new windows/pages
Ignore Unrequested Popups Disallow documents to create new windows/pages without user interaction
Image Style File Style for runtime generated image page
Info CSS File CSS file for Info panel
IntranetHosts List of hostnames that should be treated like URLs instead of go to default search engine. Previously typed intranets are stored here.
JavaScript Error Log (Full path to) file for storing JavaScript error log. Empty string means no log saved.
JavaScript Errors Show error console when JavaScript errors occur
Keyboard Configuration Empty string = use default for platform. Filename "input.ini"
Language Codes File File with overview of language codes and language names. Set by installer
Language File Current language file used. Set by installer or changed in preferences. Download language files for UNIX.
Language Files Directory Default directory to look for language files.
Last Used Auto Window Timeout Last used "Reload every" value in seconds
Last Used Spellcheck LanguageLast language used for spellchecking
Left-handed UI Position UI elements for left-handers. Intended for use on tablet/pen-input devices.
Level Of Update AutomationThis setting holds the level of automation in the automatic update system. The range is from 0 to 2, where 0 is no checking and 2 is automatic installation of security updates
Limit Paragraph Width Limit width of line to width of viewport
Limit Task Bar Attention To Personal Chat Messages Notify about new chat messages if they are to me
Local CSS File User CSS file. Empty file generated in /styles/user.css
Local CSS Files Directory User style sheets directory
Localhost In DnD Add "localhost" to file URLs when using drag and drop. UNIX only
Max Console Messages Maximum number of error messages to allow in error console
MIME Headers Style File CSS file for "Display all headers"
MIME Style File CSS file for email, news, and newsfeed display
Mail View Accountinfo Splitter Position of splitter in account info window
Mail View Hotlist Splitter Position of splitter in mail window
Mail View List Splitter Position of splitter in mail list
Mail View Mode
  • 0 = vertical
  • 1 = horizontal
  • 2 = list only
MainBar Alignment Position of main button bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
Map Meta Button To Alt Button UNIX only
Mark As Read Automatically 0
MathML CSS File /styles/mathml.css
Max Console Messages Maximum number of messages displayed in the error console
Max Direct History Lines Maximum number of typed-in URLs
Max Global History Lines Maximum number of items in global history
Max Marquee Loops Maximum number of loops for marquees (-1 = infinite)
Max Number Cached Bitmaps Avoid increasing value for Windows 95, 98, and ME. Windows only
Max Web Workers Per Session The maximum number of Web Worker instances to allow per browser session
Max Web Workers Per Window The maximum number of Web Worker instances to allow per scripting environment
Max Window History Lines Maximum number of window history items
Max width for bookmarks in menu Maximum width for items in the Bookmarks menu
Maximize New Windows Open new windows/pages maximized if possible. Available options:
  • 0 = Remember last size
  • 1 = Always maximize
  • 2 = Always maximize, including pop-ups
  • 3 = Always cascade
  • 4 = Tile all
Maximum Font Size Do not allow fonts larger than value in pixels
Maximum bookmark folder depth Maximum allowed bookmark folder depth
Maximum length of created time string Maximum allowed length of created time string
Maximum length of description Maximum allowed length of bookmark description
Maximum length of favicon file name Maximum allowed length of bookmark favicon file name
Maximum length of shortname Maximum allowed length of bookmark shortname
Maximum length of thumbnail file name Maximum allowed length of bookmark thumbnail file name
Maximum length of title Maximum allowed length of bookmark title
Maximum length of url Maximum allowed length of bookmark url
Maximum length of visited time string Maximum allowed length of visited time string
Maximum number of bookmarks Maximum total number of bookmarks
Maximum number per folder Maximum allowed bookmark count per folder
Media Style File Style for runtime generated media page
Menu Configuration Configuration file for menu setup. Empty string = use default
Message Style File Style file for runtime generated message pages
Min Allowed GDI Resources Attempt to free system resources when low by value in percentage. Windows only
Minimum Font Size Minimum font size used, in pixels
Mouse Configuration Empty string = use default mouse.ini
Newest Seen Version Last seen version number in notification. Set automatically by version check
NavigationBar Alignment Position of site navigation bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
NavigationBar Auto Alignment Display navigation bar when needed
New Window Create new window for each link clicked? (Opposite of "Reuse existing page")
NewWinSize Default size of new windows. Setting is UNIX only, syntax is x, y
No Doc Open Disable document open (Page > Open)
No Doc Save Disable document save (Page > Save As)
No Local File Block browsing of local files. Mainly used for kiosk mode
No Open Do not allow opening any file. Windows only
No Save Do not allow saving any file. Windows only
Number Of Hits Preferred number of search results per page. 0 = use search engine's own default
Offline Mode Work in offline mode
Open Dialog Under Mouse Launch dialog where mouse pointer is already located. UNIX only
Open Dragged Link In BackgroundOpen in background window when dragging link in page
Open New Window in Background Opens new window in background
Open Page Next To Current Place new tab next to active on tab bar
Opera Directory Path to user data directory
Opera Local DirectoryOpera home (write) directory that is not part of the roaming profile
Opera Turbo Mode Opera Turbo Mode
  • 0 = auto on slow connections
  • 1 = on
  • 2 = off
Opera Unite exit policy Decides if a dialog should be shown when Unite is running, or if Opera should be exited/hidden automatically
Operator Cache Directory4 Used to store help files locally permanently
Overrides File File where host overrides are saved
PageBar Alignment Position of page bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
PageBar Auto Alignment Display page bar when needed
PageBar Open URL On MiddleClick Open url in clipboard when creating a new page
Pagebar HeightHeight of page bar if it has been resized
Pagebar WidthWidth of page bar if it has been resized
Panning mode Activate horizontal panning. UNIX only
Permanent Homepage Removes all UI to change the home page and startup type
PersonalBar Alignment Position of personal bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
PersonalBar Inline AlignmentPosition of the tab inline personal bar
Plugin Path Plug-in path, delimit multiple paths by semicolon
Plugins Style File CSS file for opera:plugins
Popup Button Help Enable tooltips
Popup Console On Error Always display error console for JavaScript/ECMAScript errors
Preferences Version Internal flag for upgrades
Preferred Mail Body Mode
  • 0 = prefer text/plain
  • 1 = prefer text/html
  • 2 = force text/plain
  • 3 = decided by individual mail account
Private Mode Style FileStyle for runtime generated opera:private page
RTL Flips UI Move scrollbars and other UI elements to the opposite side when displaying right-to-left content
Recovery Strategy Last used window recovery strategy
Region LocaleSets which locale settings to use for the region of the world you are in. Setting is sent from the Autoupdate server.
Rendering mode Set rendering mode to use at startup
  • 0 = Normal
  • 1 = SSR
  • 2 = CSSR
  • 3 = AMSR
  • 4 = MSR
  • -1 = Fit to width
Restart Unite Services After Crash Option to restart Opera Unite services after a crash
Reverse Button Flipping Choose to revert left-handed mouse configuration for flip actions. Default set by system
Run Email In Terminal UNIX only
Run News In Terminal UNIX only
Run Source Viewer In Terminal UNIX only
SDI Document interface to use as default
  • 0 = Simplified tabs
  • 1 = Single Document Interface
  • 2 = Multiple Document Interface
SSR Max Width Max width in SSR/CSSR, effectively the column width
Save As Text Line Length Number of characters per line when saving documents as text
Save Password Protected Pages Allow saving password-protected pages to sessions
Save With Images Use Subfolder Save With Images saves images in a subfolder
Save policy for bookmarks Save policy used when bookmarks have changed
Scale Default document zoom, in percent.
Script Spoof navigator.userAgent identifies as
  • 0 = Same value as Spoof UserAgent ID
  • Global values:
  • 1 = Opera
  • 2 = Mozilla
  • 3 = Internet Explorer
  • Site-specific values:
  • 4 = Mozilla, Opera not mentioned
  • 5 = Internet Explorer, Opera not mentioned
Scroll Is Pan Enable grab-and-scroll mode
Search Field On Error Pages Adds a form with a search field on error pages using the user's default search engine
Search Type Search engine to use as default. Order determined by search.ini
Show Address In Caption Display URL rather than page title in title bar
Show Attachments Inline Display email attachments inside message (pre-Opera 8 style)
Show Bookmarks In Addressfield Autocompletion Include bookmarks when auto-completing the address field
Show Close All But Active Dialog Display confirmation dialog when closing all pages but active
Show Close All Dialog Display confirmation dialog when closing all pages
Show Close Buttons Show close buttons on each tab
Show Crash Log Upload DialogShow crash log upload dialog after crash
Show Default Browser Dialog Show default browser dialog from second start-up. Windows only
Show Delete Mail Dialog Display confirmation dialog before deleting messages
Show Disable JS Checkbox Show Disable JavaScript checkbox in JavaScript dialogs
Show Download Manager Selection DialogShow the download manager selection dialog where the user can choose a preferred tool
Show E-mail Client Display Opera's messaging clients
Show Encoding Mismatch Dialog Show a dialog when the encoding of a message is outside the specified email encoding
Show Exit Dialog Prompt user for confirmation before quitting
Show Full URL Show the full URL including all parameters in the address field
Show Geolocation License Dialog Show the Geolocation license/privacy dialog on next use
Show Gesture UI Show the mouse gesture UI when performing a gesture
Show Hidden Toolbars While Customizing Display all toolbars when customizing
Show History In Addressfield Autocompletion Show history in address field autocompletion.
Show Images
  • 1 = No images
  • 2 = Cached only
  • 3 = All images
Show MSIMG32 Warning Show MSIMG32 upgrade warning on W9x (Windows only)
Show Mail Error Dialog Show special dialog instead of console when mailer errors are posted to the console
Show Mail Header Toolbar Show styled version of mail/news headers
Show Menu Show main menu bar
Show Network Speed Notification Show notification when detecting fast or slow network
Show New Opera Dialog Display a dialog if a new version is available when checking
Show Notification For Blocked Popups Display notification when pop-ups are blocked
Show Notification For Finished Transfers Display a small pop-up when downloads are completed
Show Notification For New Messages Display a small pop-up when new email or news items arrive
Show Notification For No New Messages Display a small pop-up when there are no new messages
Show Notifications For Widgets Display a small pop-up in connection with widget activity
Show Opera Turbo Info Set if we should open an Opera Turbo information page
Show Private Mode Introduction Page Show introduction page when first opening a new private tab
Show Problem Dialog Show problem dialog after a crash
Show Progress As Popup Progress bar pops up at bottom of page
  • 0 = Inside address field
  • 1 = Pop up at bottom
  • 2 = Simple inside address field
  • 3 = Off
Show Progress Dialog Display address bar
Show ScrollBars Show scrollbars
Show Setupdialog On Start Display first time setup dialog
Show Startup Dialog Display dialog at every startup
Show Tray Icon Show the Opera icon in the system tray
Show Validation Dialog Display confirmation dialog for webpage validation
Show Widget Debug Info Dialog Shows dialog with information about widget in debug mode
Show Window Menu Show the Window menu in the main menu
Show Window Size Show size of webpage in title bar
Show panel toggle Display panel toggle
Show quick reply Display "Quick Reply" field
Showed Gesture Info Mouse gesture dialog displayed? Set to true after first display
Single Window Browsing Use the current window instead of creating new ones for pop-ups
Skin Directory Directory for placing downloaded skins
Skin scale Skin zoom in percentage
Smooth Scrolling Scroll evenly to desired destination in document
Source Viewer Opera defaults to using a built-in source viewer. To specify external viewer, use full path in quotation marks.
Source Viewer Mode Source viewer setting
Special effects Allow special effects on UI elements
Speed Dial File Configuration file for speed dial
Speed Dial Search Type Search engine to use as default. Order determined by search.ini
Speed Dial State Available options:
  • 0 = Folded ("Show speed dial" message)
  • 1 = Normal view
  • 2 = ReadOnly (as in kiosk mode with -kioskspeeddial)
  • 3 = Disabled (as in kiosk mode)
Spellcheck enabled by default Enable spell checker
Startup Type Available options:
  • 0 = Use saved session
  • 2 = Use home page
  • 3 = Continue from last time
  • 4 = No windows or pages
  • 5 = Show startup dialog
StatusBar Alignment Position of status bar
  • 0 = Off
  • 1 = Left
  • 2 = Top
  • 3 = Right
  • 4 = Bottom
Strategy On Application Cache What to do when a webpage requests saving offline cache
Suppress External Embeds Avoid loading external embeds like images in mail and news
Synchronous decode Decode images until cache is full
Target Destination Where to place pop-ups
  • 0 = New page/window
  • 1 = In current page/window
  • 2 = In background
  • 3 = Ignore pop-up
Temporary Download Directory Temporary Download directory
Title Main caption on title bar. Shows standard caption by default; Opera version and page title. Add "%s" to display Opera's build number.
Toolbar Configuration File for toolbar configuration. Empty string = use default toolbar.ini
Transfers Added On Top Display transfers in reverse chronological order
TreeView DropDown Max Lines Number of lines in the address field drop-down list
Trust Server Types Determine file handling by MIME type exclusively
Turbo Mode Draw images instantly
UI Property Examiner Set to show quick widget and window properties in a tooltip to aid writing automated tests
Update Delay Delay between reflows in milliseconds
Use External Download Manager Detect and use external download manager
Use Integrated Search Use available multi-search field or "Find in page" field instead of dialog for "Find in page"
Use Smiley Images Enable graphical smileys
Use Thumbnails Inside Tabs Show thumbnail of tab content inside tabs
Use Thumbnails in Tab Tooltips Display thumbnail of tab content when hovering tabs
Use Thumbnails in Window Cycle Display thumbnail of tab content when cycling through tabs
Use Windows 7 Taskbar Thumbnails Integrate with the Windows 7 taskbar thumbnails (Windows only)
User Email Email address of the user, logged when reporting crash log
User JavaScript Enable or disable the use of User JavaScript.
User JavaScript File Path to directory containing User JavaScript files. To add more than one, separate by comma.
User JavaScript on HTTPS Allow User JavaScript on secure servers. Use with caution.
User Style Info File Name of userstyle.ini file
Validation Form Element Form element to use for uploaded file
Validation URL URL to HTML validator
Virtual Keyboard Type
  • 0 = normal keyboard
  • 1 = virtual keyboard for the ASUS eee top
Visited Pages Enable indexing of visited pages
Visited Pages Search Style Style for visited pages search
Voice Configuration Full path to voice configuration file. Windows only.
WML CSS File WML pages use this CSS style
Wand Autosubmit Password manager submits forms data automatically
Wand Storage File Path to encrypted storage file for password manager data. Empty string = use default wand.dat
Warn Insecure Form Warn before posting form data on insecure servers
Warn about active transfers on exit Display confirmation dialog for quitting while transfers are active
Warning Page CSS File Style for Fraud Protection warning message
WebStorage Style File Style for runtime generated opera:webstorage admin page
Webfeeds HTML Template File Template file for displaying Web feeds
Window Cycle Type Order open pages should be cycled in
  • 0 = In used order
  • 1 = In page bar order
  • 2 = No list
Window Menu Max Item Width Maximum width of items in Window menu
Window Placement By Opera Override window placement by window manager. UNIX only
Windows Storage File Session save file
XML Load External Entities Load external doctype subset and other referenced external entities
XML Validate Validate XML documents when loading them

Note: The entire [VoiceXML] section applies only to Opera for Windows and Zaurus.

[VoiceXML]
Entry: Description:
ASR Rejection Threshold Confidence level; rejection threshold for automated speech recognition
C3N Default Form VoiceXML document for Opera's user interface. Empty string = use default; c3nform.vxml
C3N Prelink Phrase Prefix for links to be followed
C3N Postlink Phrase Suffix for links to be followed
C3N Prenick Phrase Prefix for Opera bookmark nicknames
C3N Postnick Phrase Suffix for bookmark nicknames
C3N User Agent Identifier Prefix for Opera commands
Command Control And Content Navigation By Voice Enabled Enable C3N. Set to 1 when Voice plug-in is installed
Library Location Path to location of Voice libraries. If none specified, Opera's install folder is used.
Mouse Down Cancels Current Voice Stop computer speech if mouse button is clicked
PTT Key
  • 0 = None
  • 15 = Insert
  • 19 = Scroll Lock
PTT Key Is Unicode Set any key to be push-to-talk key using Unicode.
PTT Mode Mode for pressing key to talk
  • 0 = Hold to talk
  • 1 = Push to talk
  • 2 = No key
  • 3 = Auto-push to activate
Resources Location Path to voice files, default is Opera's install directory.
TTS CTTS Enable high quality text to speech. Will disable adjusting of speed, pitch, and volume
TTS Gender Male = 0, Female = 1
TTS Pitch
  • 0 = Very low
  • 1 = Low
  • 2 = Medium
  • 3 = High
  • 4 = Very high
TTS Speed
  • 0 = Very slow
  • 1 = Slow
  • 2 = Medium
  • 3 = Fast
  • 4 = Very fast
TTS Volume
  • 0 = Silent
  • 1 = Very soft
  • 2 = Soft
  • 3 = Medium
  • 4 = Loud
  • 5 = Very loud
UserAgentXml Set client port for external application when using thin client
Voice Log Level Determine output level of voice log
  • 1 = Verbose
  • 2 = Information only
  • 3 = Warnings only
  • 4 = Severe warnings only
  • 5 = Disabled
VoiceXML Enabled Enable VoiceXML. Set to 1 when Voice plug-in is installed
VoiceXml Set server port when using thin client
VoiceXmlPlugin Used to switch between multiple .dll files, for testing purposes only.
VoiceXmlServer URL to Voice libraries when using thin client
[Web Server]
Entry: Description:
Backlog See "backlog" in the listen(2) manpage
Device Opera Unite computer name
Directory Absolute path for the Opera Unite directory
Enable If false, Opera Unite is completely disabled
Listen To Local Network If false only requests originating from localhost are accepted
Max Upload Rate (kBps) Maximum upload rate in kilobytes/second
Port Port on which to serve HTTP requests
Proxy Host Host running the Opera Unite proxy
Proxy Port Port on which the Opera Unite proxy listens
Resource Configuration Path for separate configuration file
Service Discovery Enabled Setting this to TRUE allows Opera Unite to start using service discovery
Service Discovery Server Host running the service discovery
Shared Secret Hashed password for authenticating Opera Unite
Trusted Repositories File Trusted repositories
UPnP Enabled Allow Opera Unite to use UPnP port forwarding
UPnP Service Discovery Enabled Allow Opera Unite to use UPnP service discovery
Use Opera Account Setting this to FALSE allow Opera Unite to start without logging onto an Opera Account, and access will be set to Local only
User Opera Unite username
Webserver Always On Force Opera Unite to start automatically when Opera is launched
Webserver Used If set, user has used Opera Unite
robots.txt Enabled Enables the creation of a standard robots.txt file, prohibiting robots from crawling your Opera Unite personal server
[Widgets]
Entry: Description:
Widgets File Path to file listing installed widgets, by default placed in the profile directory
[Windows]
Description: Format:
Each of the entries in this section of operaprefs.ini takes the following format x, y, width (px), height (px), state (0 = normal, 1 = minimized, 2 = maximized)
[Workspace]
Entry: Description:
Button Style UNIX only
  • 0 = KDE2
  • 1 = Windows
  • 2 = KDE1/Classic
Button Type Bit field. UNIX only
  • 1 = Close
  • 2 = Minimize
  • 4 = Maximize
  • 8 = Restore
Window Border Width Width of border for non-maximized pages in pixels. UNIX only