µTorrent is an efficient and feature rich BitTorrent client for Windows sporting a very small footprint. µTorrent was designed to use as little cpu, space and memory as possible while offering all the functionalites expected from advanced clients. With BitTorrent, you can download files faster and contribute by sharing files and bandwidth.
Most of the features present in other BitTorrent clients are present in µTorrent, including bandwidth prioritization, scheduling, RSS auto-downloading and Mainline DHT (compatible with BitComet). Additionally, µTorrent supports the Protocol Encryption joint specification (compatible with Azureus 2.4.0.0 and above, BitComet 0.63 and above) and peer exchange.
µTorrent was written with efficiency in mind. Unlike many torrent clients, it does not hog valuable system resources - typically using less than 6MB of memory, allowing you to use the computer as if it weren't there at all. Additionally, the program itself is contained within a single executable less than 260 KB in size.
Various icon, toolbar graphic and status icon replacements are available, and creating your own is very simple. µTorrent also has support for localization, and with a language file present, will automatically switch to your system language. If your language isn't available, you can easily add your own, or edit other existing translations to improve them!
The developer puts in a lot of time working on features and making things more user-friendly. Releases only come out when they're ready, with no schedule pressures, so the few bugs that appear are quickly addressed and fixed.
Features of "µTorrent":
• Multiple simultaneous downloads
• Smart bandwidth usage
• File level priorities
• Configurable bandwidth scheduling
• Global and per-torrent speed limiting
• Quickly resumes interrupted transfers
• UPnP support (WinXP only)
• Supports popular protocol extensions
• Trackerless support (Mainline DHT)
• Localized to different languages
• Typical memory use less than 6 MB
• Incredibly small: about 260 KB
Changes in Version 1.9 (build 13885), 2008-12-20:
- Feature: NAT hole-punching (for uTP only)
- Feature: account for uTP overhead when net.calc_overhead is true
- Feature: Open URL in Browser for torrents
- Feature: Right click menu in RSS history
- Change: default net.calc_overhead to true
- Change: Red RSS icon for broken feeds
- Change: Bring back RSS icons for new and previously downloaded items
- Change: Use feed name as label to torrents downloaded via RSS
- Change: RSS dialog subscription wording
- Change: URL column in RSS history
- Change: Tweak RSS episode parser to better handle multi-episode feed items
- Fix: uTP compatibility with 1.8.1
µTorrent 2.0 Release Notes:
• We've added UDP tracker support!
• uTP has been improved significantly over the previous alpha, with many bugs fixed and performance improvements. It's no longer hidden in Advanced settings.
• The setup dialog has been overhauled to make it much easier to use and with a built-in speed test. It's still not quite complete yet, but this will give you a good taste of what we're up to with it!
• A new transfer cap feature has been added to track bandwidth usage, along with graphs to show your usage.
Feature Overview:
UDP trackers are a different protocol for tracker communication that uses significantly less processing power on the tracker end. It's important for us to support this because trackers have limited resources, so this should allow them to support many more users with their current hardware and not crash under the load.
uTP is an alternative communication method for BitTorrent traffic that allows the client to automatically regulate its bandwidth usage to avoid adversely impacting your internet connection. This will allow you or other users on the network to download their torrents without killing your connection without any additional setup required.
The transfer cap settings were added in response to various users who have ISP-mandated caps on how much data they can download/upload in a month. Now you can track your usage in MB (with a handy graph to visualize it) and even configure µTorrent to stop torrenting once the limits are exceeded. Currently, you can configure the time interval, the data cap and whether it should stop based on only download, upload, or both combined.
As a privacy notice, this traffic data is not sent back to us or anyone.
Changes in Version 1.8.4 (build 16442), 2009-09-14:
- Fix: Potential crashes with magnet links
Changes in Version 2.0 Beta (build 16625), 2009-09-24:
- Change: UI improvements in setup guide
- Fix: more setup guide crash fixes
- Fix: fixed rare holepunch crash
- Change: collect stats on holepunch performance
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