Useful opera:config (Opera Preferences Editor) entries
Tuesday, 20. May 2008, 12:48:27
Opera's preferences window provides access to preferences the are most commonly adjusted. There are many more options that are available for you to adjust, however, they are hidden and can be found in the built-in preferences editor.
To access the hidden preferences editor, type opera:config into the address bar and press enter. To learn more about each opera:config entry, click the help link at top right side in the preferences editor.
Opera Preferences Editor
The following are some useful opera:config entries.
| Entry | Description |
|---|---|
| BitTorrent|Enable | Enables file distribution using BitTorrent |
| ECMAScript | Available memory for JavaScript engine in kB |
| 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 | Color for text that is highlighted |
| Highlighted Text Unfocused | Color for text that is highlighted but has no focus |
| Selected Background9.50 | Background of text that is selected |
| Selected Text9.50 | Color for text that is selected |
| DiskCache|Size | Disk cache size in kilobytes |
| Frames Show Active | Shows active frame with border |
| IFrames | Enables inline frames |
| ISP|Id! | Custom user agent substring
User agent with custom string 'Tamil'. Opera/9.50 (Windows NT 5.1; U; Tamil; en) |
| Enable Content Blocker | Enables content blocker |
| Enable HostName Web Lookup | Use Web service to search if server name lookup fails |
| HostName Web Lookup Address | URL to Web search to use if server name lookup fails |
| Password Lifetime | Expiry time in minutes for master password in memory |
| Keep Entries Days | Days to keep entries in transfer manager |
| Addressbar Content Search9.50 | Enables address bar content search |
| Allow Empty Workspace | Permits the last tab to be closed |
| Alternative Page Cycle Mode | Page cycle mode to use when cycling without displaying list of pages
0 = Recently used order 1 = Page bar order |
| Application Icon! Windows | Full path to alternative icon file. See How to customize Opera icon & title? |
| Auto Dropdown | Allows auto completion dropdown |
| opera:config#UserPrefs|BrowserJavaScript | 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. |
| Cache Directory4 | Full path to cache directory |
| Check For New Opera | Keeps track of weekly check for new updates. Set to 0 to disable. See How to disable check for new version of Opera? |
| Color List Row Mode | Alternate background colours in lists.
1 = light blue (default) 3 = white (off) |
| Doubleclick to Close Tab10.00 | Enables double click for closing of tabs |
| Ellipsis In Center | Shorten button and tab names in the middle |
| Enable Edit Triple ClickUNIX | Handling double clicks in text edit fields.
0=Double-click text to select all 1=Double-click to select word, triple-click to select all |
| Enable Mouse Flips9.51 | Enables mouse flips (FlipBack & FlipForward) |
| Enable Usage Statistics | Enables usage statistics sent to Opera. See Help us help you! for more info. |
| Enable config URL | Enables opera:config
If you want to enable opera:config after disabling, close Opera, delete the line Enable config URL=0 in opera6.ini file. |
| History Navigation Mode | 1 = Automatic mode
2 = Compatible mode 3 = Fast mode Read more about history navigation. |
| Ignore Target | Disallows documents to create new windows/pages |
| Max Direct History Lines | Maximum numbers of typed-in URLs |
| Maximum Font Size | Do not allow fonts larger than value in pixels |
| Min Allowed GDI ResourcesWindows | Attempt to free system resources when low by value in percentage |
| Number Of Hits | Preferred number of search results per page.
0 = Use search engine's own default Google only. To work in other engines, you have to append &x=%i to search engine address where x is search query name for number of results. For Google, http://www.google.com/search?q=%s&num=%i |
| Open Dialog Under MouseUNIX | Launch dialog where mouse pointer is already located |
| opera:config#UserPrefs|Scale | Default document zoom, in percent |
| Scroll Is Pan9.50 | Enables grab-and-scroll mode. Alternatively, hold down Ctrl+Alt and then click & drag the page to enable on the fly scroll. |
| Enable Scroll Marker9.60 | Enables scroll marker. Scroll maker will indicate the previous position of the bottom or top of the page after a scroll action.
0 = Off 1 = Show when reaching the bottom or top of the page, and when the last scroll action scrolls less than a full page's amount 2 = Always show when scrolling |
| Shows Address In Caption! | Displays URL rather than page title in title bar |
| Show Bookmarks In Addressfield Autocompletion9.60 | Enables bookmarks in the address field auto-completion drop-down |
| Speed Dial Search Type | Set to 0 to remove Speed Dial search bar (versions below 9.50 only) |
| Speed Dial State | Available options:
0 = Folded ("Show speed dial" message) 1 = Normal view 2 = Read Only (Hides "What is Speed Dial" & "Show speed dial" buttons) 3 = Disabled |
| Title | Main caption on title bar. Shows standard caption by default; Page title and Opera. Add "%s" to display Opera's build number. See How to customize Opera icon & title? |
| Use Integrated Search | Uses available multi-search field or "Find in page" field instead of dialog for "Find in page" |
| opera:config#UserPrefs|UserJavaScriptonHTTPS | Allows User JavaScript on secure servers. Use with caution. |
| Visited Pages9.50 | Enables content search |
| VisitedLink|StrikeThrough | Strikethrough on visited links |
! = Requires Opera restart
X.YZ = Available in and after Opera version X.YZ
UNIX = Available only in UNIX
Windows = Available only in Windows
Updates:
2008: Jun 26, Jul 7, Aug 28, Sep 10
2009: Sep 25
(25%)
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