BitComet is a p2p file-sharing freeware fully compatible with Bittorrent, which is one of the most popular p2p protocol designed for high-speed distribution of 100MB or GB sized files. BitComet is a powerful, clean, fast, and easy-to-use bittorrent client. It supports simultaneous downloads, download queue, selected downloads in torrent package, fast-resume, chatting, disk cache, speed limits, port mapping, proxy, ip-filter, etc.


  • Clean and free, without any adware or spyware.
  • Completely new core written in C++, stable and fast, very low CPU usage.
  • Multiple simultaneous downloads, ability to select download files in one torrent and set file priority.
  • Ability to limit the upload speed as well as download speed.
  • Intelligent Connection Optimize, Auto Optimization for different connections, runs well using all default settings.
  • Intelligent Rate Control, optimize the upload distribution in order to get the max download rate.
  • Intelligent Disk Cache, decrease the potential damage to the hard disk when high-speed downloading (>500KB/s) by decrease the read / write frequency, extra memory usage is the cost.
  • Intelligent Disk Allocating, no long-time disk allocation, also decrease the disk fragment to almost zero.
  • Intelligent Hash Scan, no time-consuming scanning when seeding / resume.
  • Firewall and NAT Traversal, users behind differect NAT can now connect to each other.

What's New:

  • GUI Bugfix: fix the expired code signing certificate
  • GUI Improved: add open-folder button in download finish pop-up window
  • GUI Improved: display download speed and progress together when floating window re-sized large enough
  • GUI Improved: change the option of auto-stop seeding time from minutes to day-hour-minute
  • GUI Bugfix: fix the floating window display problem when using multiple monitors
  • Core Improve: improve file read/write performance, reduce UI stuck
  • Core Improve: support ReFS disk volume
  • Core Improve: support Chrome browser extension
  • Core Bugfix: the minimize value of network.maxconnectingconnections in advanced options changed to 8
  • Core Bugfix: fix bugs in IE extension