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Falkon 3.1.0.png
Falkon 3.1.0
Original author(s)David Rosca
Initial releaseDecember 2010 (2010-12)
Stable release
3.2.0[1] Edit this on Wikidata / 31 January 2022; 6 months ago (31 January 2022)
Written inC++
Operating systemUnix-like (Linux, FreeBSD, etc),[2] Haiku,[3] Windows 7 or later
PlatformQt framework
Included withKaOS, openMandriva[4]
Available inMultilingual
TypeWeb browser

Falkon (formerly QupZilla[5]) is a free and open-source web browser. It is built on the Qt WebEngine[6][7] which is a wrapper for the Chromium browser core.[8]

Both KaOS and openMandriva use Falkon as their default browser.[4][9]


Falkon provides several icon sets and other elements to match the native look and feel of users' desktop operating systems.[10] Some additional features of the browser include the integration of history, web feeds and bookmarks in a single location, the ability to take a screenshot of the entire page, and an Opera-like "Speed dial" home page.[11] It is reported to consume fewer system resources than the major general purpose browsers like Firefox and Google Chrome.[12]

Falkon uses the Qt cross-platform application framework and offers a built-in AdBlock. By default this adblocker whitelists the web page of Falkon's main search engine, DuckDuckGo. A "portable" (no installation) version for Windows platforms exists. Falkon is also distributed in the PortableApps format.[13]


QupZilla v1.7.0 passed Acid3 test.

The project was started as a research project in 2010. The first preview release, written in Python (using PyQt library), was ready by December 2010.[14] In 2011 the source code was rewritten in C++ with a goal to create a full-featured general purpose portable web browser based on QtWebKit, with the initial target being visual integration with the look and feel of multiple desktop environments including Microsoft Windows, GNOME, and KDE Plasma.[15] Version 1.6.6 (May 2014) still supported Windows 2000.[16]

On 30 March 2016, QupZilla 2.0 was released. It marked the transition from QtWebKit to Qt WebEngine.[6]

On 10 August 2017, QupZilla's developer David Rosca announced in a blog post that QupZilla had become a KDE project.[17] After the release of Qupzilla 2.2 the project was renamed to Falkon.[18] KDE Falkon 3.0 was released on 27 February 2018.[5]

Falkon 3.0.1 was included in Lubuntu 18.10 beta but replaced with Firefox in the actual Lubuntu 18.10 release.[19]

The most recent release was 3.2.0, made on 31 January 2022.[20]

See also[edit]


  1. ^ https://www.falkon.org/2022/01/31/320-released/.
  2. ^ "Qupzilla at Freshports". Freshports. Retrieved 23 November 2018.
  3. ^ "Haiku Depot Server". Haiku, Inc.
  4. ^ a b "DistroWatch Weekly, Issue 821, 1 July 2019". 1 July 2019. Retrieved 4 July 2019.
  5. ^ a b "Falkon 3.0 Released As The Successor To The QupZilla Browser". Phoronix. 27 February 2018. Retrieved 28 February 2018.
  6. ^ a b David Rosca (30 March 2016). "QupZilla 2.0.0 released with QtWebEngine!". QupZilla Blog. Archived from the original on 28 February 2018.
  7. ^ Němec, Petr (28 December 2011). "Softwarová sklizeň" [Software picks (28 December 2011)]. Root.cz (in Czech). Retrieved 25 February 2012.
  8. ^ "Qt WebEngine Overview - Qt WebEngine 5.11". doc.qt.io.
  9. ^ Nestor, Marius (6 March 2018). "KaOS Linux Switches to Falkon Browser, March's Release Adds KDE Plasma 5.12 LTS". Softpedia. Archived from the original on 3 April 2022. Retrieved 3 April 2022.
  10. ^ Голубев, Сергей (10 February 2012). "QupZilla – браузер на основе Qt и WebKit" [QupZilla – browser based on Qt and WebKit]. PC Week/RE (in Russian). Retrieved 23 November 2018.
  11. ^ Richmond, Gary (6 January 2012). "QupZilla Browser: one web browser, three niche features". Free Software Magazine. Archived from the original on 11 January 2012. Retrieved 25 February 2012.
  12. ^ Sneddon, Joey (22 December 2011). "Qupzilla – the Best Browser You've Never Heard of?". OMG! Ubuntu!. Retrieved 25 February 2012.
  13. ^ "QupZilla Portable 1.8.8 (web browser) Released". PortableApps. 21 October 2015. Archived from the original on 11 August 2017.
  14. ^ "History". falkon.org. Retrieved 4 July 2020.
  15. ^ Chirkov, Maxim, ed. (26 December 2011). "Qupzilla – новый многоплатформенный web-браузер на базе Qt и WebKit" [Qupzilla – new multiplatform web browser based on Qt and WebKit]. OpenNet (in Russian). Retrieved 25 February 2012.
  16. ^ David Rosca (10 October 2014). "Cookies issue + Build for Mac OS X available!". Development updates on QtWebKit browser QupZilla. Archived from the original on 26 March 2018. Retrieved 29 January 2015. the latest 1.8 version is not working on Windows 2000
  17. ^ "QupZilla is moving under KDE and looking for new name". Archived from the original on 26 March 2018.
  18. ^ "QupZilla Web Browser Becomes KDE Falkon". Phoronix. 25 August 2017. Retrieved 26 August 2017.
  19. ^ Simon Quigley We've replaced Falkon with Firefox, retrieved 21 April 2020
  20. ^ "Falkon 3.2.0 released - Falkon". www.falkon.org.

External links[edit]