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New qBittorrent Logo.svg Qbittorrent mascot.png
Qbittorrent 4.1.5.png
A screenshot of qBittorrent v4.1.5 running on Lubuntu
Original author(s)Christophe Dumez[1]
Developer(s)Sledgehammer999, Chocobo1, glassez, pmzqla and others[2]
Initial releaseMay 16, 2006; 15 years ago (2006-05-16)[3]
Stable release
4.3.8[4] / 29 August 2021; 51 days ago (29 August 2021)
Written inC++ (Qt),[5] Python
Operating systemCross-platform: FreeBSD, Linux, macOS, OS/2, Windows
PlatformARM, x86, x64
Available in≈70 languages[6]
List of languages
Default UI: English

≥ 99% translated: Basque, Catalan, Chinese (Taiwan), Czech, Danish, Dutch, Galician, German, Hebrew, Indonesian, Japanese, Korean, Lithuanian, Polish, Portuguese (Brazil), Russian, Turkish, Ukrainian

≥ 50% translated: Belarusian, Bulgarian, Chinese, Chinese (Hong Kong), Finnish, French, Greek, Hungarian, Italian, Latvian (Latvia), Malay (Malaysia), Norwegian Bokmål, Occitan (post 1500), Portuguese, Romanian, Slovak, Slovenian, Spanish, Swedish

≥ 10% translated: Croatian, Esperanto, Arabic, Armenian, English (Australia), English (United Kingdom), Georgian, Hindi (India), Icelandic, Latgalian, Uzbek (Latin), Vietnamese
TypeBitTorrent client
Websitewww.qbittorrent.org Edit this at Wikidata

qBittorrent is a cross-platform free and open-source BitTorrent client.

qBittorrent is a native application written in C++. It uses Boost, Qt 5 toolkit, and the libtorrent-rasterbar library (for the torrent back-end). Its optional search engine is written in Python.[citation needed]


qBittorrent was originally developed in March 2006 by Christophe Dumez,[1] from the Université de technologie de Belfort-Montbéliard (University of Technology of Belfort-Montbeliard) in France.

It is currently developed by contributors worldwide and is funded through donations,[8] led by Sledgehammer999 from Greece, who became project maintainer in June 2013.[9]

Along with the 4.0.0 release a new logo for the project was unveiled.[10][11]


Some of the features present in qBittorrent include:

  • Bandwidth scheduler
  • Bind all traffic to a specific interface
  • Control over torrents, trackers and peers (Torrents queueing and prioritizing and Torrent content selection and prioritizing
  • DHT, PeX, encrypted connections, LSD, UPnP, NAT-PMP port forwarding support, µTP, magnet links, private torrents
  • IP filtering: file types eMule dat, or PeerGuardian
  • Supports IPv6, but as of December 2015 cannot use IPv4 and IPv6 at once[12]
  • Integrated RSS feed reader (with advanced download filters) and downloader
  • Integrated torrent search engine (Simultaneous search in many Torrent search sites and Category-specific search requests (e.g. Books, Music, Software))
  • Remote control through Secure Web User Interface
  • Sequential downloading (Download in order)
  • Super-seeding option
  • Torrent creation tool
  • Torrent queuing, filtering, and prioritizing
  • Unicode support, available in ≈70 languages[6]


qBittorrent is cross-platform, available on many operating systems, including: FreeBSD, Linux, macOS, OS/2 (including ArcaOS and eComStation),[13] Windows.

As of July 2017, SourceForge statistics indicate that the most popular qBittorrent version of all supported platforms, 81% of downloads were for Windows computers.[14]

As of May 2020, FossHub statistics indicate qBittorrent as the second most downloaded software with over 75 million downloads.[15]

Packages for different Linux distributions are available, though most are provided through official channels via various distributions.[16]


In 2012, Ghacks suggested qBittorrent as a great alternative to μTorrent, for anybody put off by recent controversial ad and bundleware changes made to μTorrent.[17]

See also[edit]


  1. ^ a b "Authors file". qBittorrent.org. Archived from the original on 2019-02-17. Retrieved 2012-08-26.
  2. ^ "Archived copy". Archived from the original on 2020-06-21. Retrieved 2019-07-01.CS1 maint: archived copy as title (link)
  3. ^ "Oldest available changelog". Archived from the original on 2019-02-17. Retrieved 2016-02-17.
  4. ^ "release-4.3.8". 29 August 2021. Retrieved 30 August 2021.
  5. ^ "qBittorrent", Analysis Summary, Ohloh, archived from the original on 2014-02-25, retrieved 2012-08-23
  6. ^ a b "Localization of qBittorrent". qBittorrent.org. Archived from the original on 2013-08-14. Retrieved 2012-08-23.
  7. ^ "Copying file", qBittorrent.org, archived from the original on 2019-02-17, retrieved 2012-08-26
  8. ^ "Team members", qBittorrent.org, archived from the original on 2013-08-19, retrieved 2012-09-25
  9. ^ "qBittorrent is under a new maintainer". qBittorrent official forums. Archived from the original on 2019-06-09. Retrieved 2013-06-26.
  10. ^ "Change qbittorrent logo. Issue #6467. by sledgehammer999 · Pull Request #6484 · qbittorrent/qBittorrent". GitHub. Archived from the original on 25 May 2021. Retrieved 4 October 2020.
  11. ^ "New Icon/Logo Proposal · Issue #6467 · qbittorrent/qBittorrent". GitHub. Archived from the original on 11 November 2020. Retrieved 4 October 2020.
  12. ^ "GitHub Pull Request to enable dual-stack for qBittorrent". qBittorrent on GitHub. Archived from the original on 2019-12-13. Retrieved 2015-12-31.
  13. ^ "Network / Networking / Internet applications". Archived from the original on 2020-09-18. Retrieved 2020-09-03.
  14. ^ "Download Statistics: All Files". SourceForge. Archived from the original on 2016-10-11. Retrieved 2014-03-01.
  15. ^ "FossHub Download Statistics: All Files". FossHub. Archived from the original on 2019-03-01. Retrieved 2019-02-10.
  16. ^ "News Releases", qBittorrent.org, archived from the original on 2019-12-13, retrieved 2018-12-30
  17. ^ Brinkmann, Martin (21 February 2012). "Looking For A uTorrent Alternative? Try qBittorrent". Ghacks. Archived from the original on 10 January 2017. Retrieved 17 December 2014.

External links[edit]