qBittorrent 3.3.16

qBittorrent is a multi-platform Bittorrent client developed in C++/Qt4. The qBittorrent project aims to provide a Free Software alternative to µtorrent. Its main features are its integrated search engine (allows searching for torrent from the main torrent Web sites simultaneously in a transparent fashion), its support for l'UPnP/NAT-PMP, Bittorrent protocol encryption (Azureus-compatible), Peer Exchange (PeX) compatible with µTorrent, IP filtering (eMule-like "ipfilter.dat" or PeerGuardian filters), Torrents (and the files they contain) prioritizing, remote control through a secure Web User Interface.


  • Changes in 3.3.16:
  • BUGFIX: Better memory footprint when using libtorrent 1.1.x. The cache is turned off by default(0 (disabled) value in the settings). The value -1 (auto) makes it use 1/8 of your RAM. (sledgehammer999)
  • BUGFIX: Skip user input events when adding torrent. Closes #7327. (glassez)
  • BUGFIX: Avoid memory leak in the speed graph. (Chocobo1)
  • WEBUI: Fix validating wrong header field. X-Forwarded-Host is a foreign proxy setting, it isn't the same as qbt's local setting and thus it makes no sense to verify it. Closes #7311. (Chocobo1)
  • WINDOWS: Fix connection problems when a specific interface/ip is configured. (sledgehammer999)
  • WINDOWS: Disable skipping of loopback interfaces. This fixes the absence of VPN tunnel interfaces under Windows and works around the QTBUG-32349. Fixes #7291. (Evengard)
  • WINDOWS: The installer detects the 64bit running process too. (vlakoff)



Download | 32-bit version

Download | 64-bit version

Download | Others

Download | Portable

Download | Android | qBittorrent Controller