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Logo of K-Meleon
K-Meleon 1.5.4 under Windows 8
K-Meleon 1.5.4 under Windows 8
Basic data

Publishing year 2000
Current  version 75.1
( September 19, 2015 )
operating system Windows (32-bit systems)
programming language C ++ ( Microsoft Visual C ++ )
category Browser
License GPL
German speaking Yes

K-Meleon is a free web browser for Windows based on the Gecko engine . The last version appeared in 2015. The development was stopped in 2016.


K-Meleon was released under the GNU General Public License . The first version (0.1) appeared in August 2000 as an attempt to integrate winEmbed, the Mozilla Gecko test engine, into Windows. Version 1.0 of the program was released on July 15, 2006, based on Mozilla (Gecko / 20060706); the long current version 1.5.4 is based on the Gecko engine After that, there were stable K-Meleon 1.6 beta versions based on the Gecko engine 1.9.1.x and also stable K Meleon 1.7 alpha versions based on the Gecko engine 1.9.2.x.

The long-term current release version appeared in 2010. The further development has since slowed down because Mozilla removed the MFC embedding code for the Gecko rendering engine from the sources and no longer maintains it.

Since December 2013, K-Meleon has therefore been building on a XULRunner runtime environment and version 74.0 was released on September 27, 2014.


The advantage of K-Meleon over XUL -based browsers such as B. Firefox is the use of the native Windows interface, which makes it much more resource-efficient, which is especially noticeable on slow systems.

K-Meleon can be changed in appearance using skins . Most of the menu navigation and operation can be freely configured using macros. They are defined in K-Meleon's own macro language in macros.cfg and displayed by menus.cfg .

The user interface is also available in German. Up to version 0.9 the files for the German language could be downloaded from the K-Meleon homepage, from version 1.0 the official installation file with German language support is available on SourceForge . Since K-Meleon is based on Mozilla Gecko, the program supports all Mozilla plugins.

Other functions include a pop-up blocker , operation using mouse gestures , a built-in feed reader , the parallel use of Internet Explorer favorites, Opera bookmarks and Mozilla bookmarks as well as a possibility to suppress the display of advertisements. The program can be downloaded with the installer or as a standalone version.

K-Meleon uses the KMeleonWiki as a help, website and download system.


The goal of K-Meleon is to be the fastest, maximally configurable and user-friendly web browser possible . It is only programmed for Windows; porting to other systems is not planned; in connection with Wine the program also runs under Linux .

K-Meleon has a small developer community (at times it was only one person in their spare time); so the browser was not always updated as often as it would have been desirable to address all of the security problems that had crept into the Gecko engine. From April 1, 2005, all Mozilla Gecko engine updates will be available as K-Meleon updates via the K-Meleon user forum. To update the Gecko engine used by K-Meleon yourself, a simple guide was written. Most 0.9 versions use the Mozilla Gecko engine 1.7.x - later (1.x) the SeaMonkey Gecko engine 1.8.x. Alternatively, you can find finished builds and pre-release versions (RC) in the K-Meleon forum. German questions are currently being answered there (as of 2017).


This article was due to content flaws on the quality assurance side of the computer science editorial added. This is done in order to bring the quality of the articles from the subject area of ​​computer science to an acceptable level. Help to eliminate the shortcomings in this article and take part in the discussion !  ( + )

Reason: wrong language. (Originally posted by Tuxman ( discussion )) 14:58, Dec. 19, 2017 (CET) - Lpd-Lbr ( d ) 11:50, Oct. 7, 2019 (CEST)

colour meaning
red Old version; no longer supported
yellow Old version; further supported
green Current stable version
purple Current trial version
blue Future version
Major version Release version Gecko version Release date Significant changes
0.1 0.1 M17 August 21, 2000 First release; mainly a rebranded WinEmbed, using the BCG Library; customizable menu and toolbar, IE Favorites support.
0.2 0.2 M18 November 26, 2000 Project hosted at SourceForge; right-click context menus; improvements and bugfixes.
0.2.1 M18 November 27, 2000 Bug fixes.
0.3 0.3 0.8 February 13, 2001 Major rewrite using MfcEmbed instead of WinEmbed and the BCG Library; plugin support for menus and toolbars; preferences dialog; customizable menus and accelerator keys; basic authentication; page source view; option to save files to disk.
0.4 0.4 0.9 May 11, 2001 KPlugin interface, support for Netscape bookmarks and fullscreen display, macro extension and history plugin; (bitmapped) menus, accelerator keys and toolbars customizable through configuration files; cache support; support for external source code viewer; configurable cookie and image settings; possibility to disable style sheets, Java and JavaScript; web search.
0.5 0.5 0.9.4 September 27, 2001 Support for SSL, wallet and external protocol handlers; customizable UserAgent string; improved Java support and profile handling; pop-up blocker; symbiotic loader; various improvements and bugfixes.
0.6 0.6 0.9.5 October 30, 2001 Toolbar plugin; improved proxy support; file upload; numerous improvements and bugfixes.
0.7 0.7 1.2b October 31, 2002 New plugins: Layered windows ("tabbed browsing"), support for Opera bookmarks (hotlist), external program control; automatic detection of popular third party plugins; text zoom, print preview, page setup and type ahead find; skin support; various improvements and bugfixes.
0.7.1 (0.7 SP1) February 12, 2003 Numerous plugin improvements.
0.8 0.8 1.5 November 10, 2003 Various usability improvements.
0.8.1 December 13, 2003 Mouse Gestures plugin; improvements and bugfixes.
0.8.2 December 23, 2003 Improvements and bugfixes.
0.9 0.9 1.7.5 January 18, 2005 Privacy plugin, Flashblock extension and Aggreg8 RSS feed reader; new default skin (Phoenity); numerous usability improvements.
0.9.12 1.7.12 January 10, 2006 Community-driven gecko update; various new features (partly unique to this version).
0.9.13 1.7.13 April 25, 2006 Community-driven gecko update; various new features (partly unique to this version).
1.0 1.0 July 15, 2006 Full localization support, first official localization (German); find bar and improved URL bar; configurable download options, XUL-based advanced preferences panel; overall improvements for macros and menus; new default RSS / Atom feed reader (NewsFox).
1.0.1 (1.01) August 14, 2006 Gecko update.
1.0.2 (1.02) September 22, 2006 Gecko update, some improvements and bugfixes.
1.1 1.1 May 22, 2007 Multilanguage support, several official localizations; modular macros; session saver plugin; improved cookie permissions and password support; easier customization of search engines and mouse gestures; upgradable configuration of accelerator keys, menus and macros.
1.1.1 (1.11) July 22, 2007 Gecko update and bugfixes.
1.1.2 August 8, 2007 Gecko update and bugfixes.
1.1.3 November 26, 2007 Gecko update; update checker plugin.
1.1.4 February 11, 2008 Gecko update and bugfixes.
1.1.5 April 8, 2008 Gecko update and bugfix.
1.1.6 July 18, 2008 Gecko update.
1.5 1.5.0 August 8, 2008 True tabs instead of layered windows; improved multilanguage support; native preferences panel replaced by XUL-based former advanced preferences panel; new configuration options; feature improvements; Unicode build for Windows NT, non-Unicode build for Windows 9X.
1.5.1 October 16, 2008 Gecko update, improvements and bugfixes.
1.5.2 December 25, 2008 Gecko update, improvements and bugfixes.
1.5.3 May 8, 2009 Gecko update and bugfixes.
1.5.4 March 5, 2010 Gecko update and bugfixes.
1.6 1.6.0 Alpha 4 1.9.1 May 5, 2010 Gecko update.
1.6.0 Beta 1 November 13, 2010 Gecko update.
1.6.0 Beta 2 December 12, 2010 Gecko update.
1.6.0 Beta 3 December 12, 2011 Gecko update.
1.7 1.7.0 Alpha 2 pre December 26, 2010 Gecko update.
74 74.0 24.7.0 September 8, 2014 Gecko update, improvements and bugfixes.
75 75.0 Beta 1 31.0 November 25, 2014 Gecko update, improvements and bugfixes.
75.0 Beta 2 31.0 January 14, 2015 Improvements and bugfixes.
75.0 Beta 3 31.4 February 6, 2015 Gecko update, events processing changes, added navToggleJS (toggle js pref and js in all page) and pageToggleJS (toggle js in current page), Es locale, fixes from previous thread: JSBridge RemoveButton, macro setcmdicon, wrong context menu on contenteditable (mainly webmail), tab bar context menu action not working.
75.0 Beta 3 Update 1 31.4 February 23, 2015 Some fixes for toolbars, fixed deadlock with "open with" dialog, update for addbutton, setcmdicon, setbuttonicon, about: downloads, added automatic favorites refresh (may not work all the time).
75.0 Beta 3 Update 2 31.4 March 3, 2015 Fixed about: home memory leak, fixed missing status bar icon, macro injectJS, added "hidden" for second parameters, run the script in an hidden page, macro getpref, fixed localized prefs, fixed image in toolbars.cfg, fixed menu on toolbar when holding left button, added favorites (Refresh), added spellcheck: 2 commands, spellcheck (mouse): check word under mouse cursor, spellcheck (caret): check word at caret, fixed spellcheck in Facebook comments.
75.0 Beta 3 Update 3 31.4 March 9, 2015 Added spellcheck command to change dictionary, fixed slow startup and other minor things.
75.0 RC 31.5 March 14, 2015 Gecko update, fixed click not working in menu and other weird event problem, fixed being trashed when closing windows session, fixed checkbutton, add appRestart (doesn't warn if download in progress).
75.0 RC2 31.5 March 31, 2015 Fixed session tab order, search macro, wine transparency (?), Shorter privacy bar. Flash seems to block some keyboard accelerators.
75.0 RC2 Update 1 31.5 3rd April 2015 Session fix.
75.0 RC2 Update 2 31.5 April 9, 2015 Bug fixes, fixed a crash when locale dll are incomplete or not loaded correctly, cfg macro.
75.0 RC2 update 3 31.5 April 14, 2015 Fixed xul windows size, the last session problem, and the download dialog.
75.0 RC2 Update 4 31.5 April 16, 2015 Enabled plugin container for Flash by default.
75.0 RC2 Update 5 31.5 April 18, 2015 macros.dll, change for SetButtonImage so that changing cold image doesn't change the hot one.
75.0 RC3 31.5 May 6, 2015 Fixed adding bookmark, session plugin crashes, accelerators, xul windows sizing, status bar text for registercmd, setbuttonimage, reload command with "restore on demand" session, flash with plugin container.
75.0 RC3 update 1 31.5 May 9, 2015 Fixed German and Spanish tooltips, loading title in tab.
75.0 RC3 update 2 31.5 May 14, 2015 Bug fixes.
75.0 RC3 update 3 31.5 19th May 2015 The "plugin" macro function is fixed (kPrivacy_ClearAll is working now), titles were missing in tab tooltip after loading a session, disabled OOP for flash by default, and tweaked it a bit for OOP, Jsbridge registercmd, add experimental enabled and checked callback .
75.0 RC3 update 4 31.5 June 16, 2015 Minor update of kmpref, and sessions (delete).
75.0 31.5 June 24, 2015 Release.
75.1 31.8 19th September 2015 Release.
76.0 Beta 3 38.5 23rd December 2015 Beta release.
76RC 38.8 May 3, 2016 Release candidate.
76RC update 38.8 July 1, 2016 Removed SSE requirement.

Web links

Commons : K-Meleon  - collection of images, videos and audio files

Individual evidence

  1. K-Meleon 75.1 . (English).
  2. http://kmeleon.sourceforge.net/wiki/KMeleonWiki
  3. ^ Unofficial K-Meleon Distributions
  4. K-Meleon Browser Showcases Gecko . BetaNews. August 22, 2000. Retrieved November 8, 2011.