Opera FAQs, Tips, Tricks & Tweaks

You can open URL in clipboard with single click instead of right clicking in the address field and then clicking 'Paste and Go' or using keyboard shortcut, Ctrl + Shift + V.

Enable PageBar Open URL On MiddleClick and you can open URL in clipboard in new tab with mouse middle click between new tab button and trash can button on the tab bar.

Mouse middle click between new tab button and trash can button to open URL in clipboard

See Useful opera:config (Opera Preferences Editor) entries for more opera:config tips.

By default, Opera 11 hides web protocol and URL parameter in address and will show them when address field is focused.

Default

To show both web protocol and URL parameter, right click on the badge before address in address field and enable 'Show Full Web Address' or CTRL+F12 > Advanced > Browsing > Show full web address in address field

Opera showing both web protocol & URL parameter

To show only URL parameter, disable Hide URL Parameter.

Opera showing only URL parameter

Opera has some special pages that show various information. The following is the list of the opera: pages available in Opera browser.

Entry	Description
opera:about	Displays version information, browser identification and paths.
opera:blank	Displays blank page.
opera:cache	Displays cache content. See Advanced search, thumbnails & sorting in opera:cache.
opera:config	Displays preferences editor page allowing access to many configuration options not available through preferences window. See Useful opera:config (Opera Preferences Editor) entries.
opera:debug	For remote debugging. See Remote debugging with Opera Dragonfly.
opera:drives*	Displays local drives in your system. Browse local drives to view images, html files, text files, etc. Browse to an image directory (or drag & drop an image directory from file manager to Opera) and use mouse gestures, flip forward & flip back to navigate between next & previous images.
opera:help	Displays Opera help page.
opera:history	Displays browser history page.
opera:historysearch	Displays history search page.
opera:plugins	Displays list of installed plug-ins.

^* = Available only in Windows

Opera will list all except opera:blank, opera:debug, opera:drives & opera:help when you type opera: in address field.

opera: pages

Opera's preferences window Tools > Preferences... 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
Auto Mail Panel Toggle11.10	Shows Opera mail panel when reading mail/feeds
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 0 to disable. See How to disable check for new version of Opera?
Chrome Integration Drag Area10.50	See Reduce integration drag area in non-maximized Opera window
Chrome Integration Drag Area Maximized10.50	Set 0 to remove 1 pixel above the tabs
Color List Row Mode	Alternate background colours in lists. 1 = light blue (default) 3 = white (off)
Dim Search Opacity10.50	Set 0 to disable
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 mouse gestures)
Enable UI Animations10.50	Enables tabs & forms slide in/out and fade in/out animations
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/operaprefs.ini file.
Hide URL Parameter11.00	Hides URL parameter in address field. www.google.com/search?q=Tamil will be shown as www.google.com/search
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< 10.60	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
PageBar Open URL On MiddleClick	Opens URL in clipboard when creating a new page
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 Marker9.60-10.60	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 dropdown
Show Dropdown Button In Addressfield11.50	Displays dropdown button in address field
Show Exit Dialog10.10	Set 2 to hide Opera instead of closing when you exit Opera
Show History In Addressfield Autocompletion10.50	Enables history in the address field auto-completion dropdown
Show Tray Icon! 10.52	Enables tray icon
Speed Dial Search Type< 10.60	Set 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"
Use Windows 7 Taskbar Thumbnails10.50	Enables multiple thumbnails when hovering Opera taskbar icon
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 OS.
^Windows = Available only in Windows OS.

Updates:
2008: Jun 26, Jul 7, Aug 28, Sep 10
2009: Sep 25
2010: Mar 7, Apr 30, Jul 6, Aug 25, Dec 15
2011: Apr 12, 19, Jun 28, Oct 12

Toggle menu bar using keyboard shortcut
Toggle menu bar using button
Main menu as submenu in right click menu
Main menu via keyboard shortcut
Remove menu bar

Toggle menu bar using keyboard shortcut (ALT+F11)

In your keyboard setup, delete Platform Unix before F11 alt under Application section.

Before

After

Toggle menu bar using button

Drag & drop Menu (click arrrow to view menu items or click Menu to enable/disable menu bar) or Menu (click to view menu items or click & hold to enable/disable menu bar) button to any toolbar.

Click Menu to toggle menu bar & arrow to show menu items

Main menu as submenu in right click menu

In your menu setup, add Submenu, Menu, Browser Menu Bar under [Document Popup Menu] section.

Main menu as submenu in right click menu

Main menu via keyboard shortcut

Create a new keyboard shortcut with action Show popup menu,"Browser Menu Bar"

You can create ALT+F to open File menu, ALT+E to open Edit menu, etc...

f alt = Show popup menu, "Browser File Menu"
e alt = Show popup menu, "Browser Edit Menu"
v alt = Show popup menu, "Browser View Menu"
b alt = Show popup menu, "Browser Bookmarks Menu"
g alt = Show popup menu, "Browser Widgets Menu"
s alt = Show popup menu, "Browser Feeds Menu"
t alt = Show popup menu, "Browser Tools Menu"
w alt = Show popup menu, "Browser Window Menu"
h alt = Show popup menu, "Browser Help Menu"

Remove menu bar

Uncheck Show Menu and restart Opera.

Updates:
2007: Jul 3, Nov 6