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File type: TORRENT

What is TORRENT?

The TORRENT file extension represents BitTorrent downloads. BitTorrent is a download protocol that downloads files using peer-to-peer file sharing. The BitTorrent protocol functions by dividing files into multiple pieces and then distributing them across multiple peers.

More on TORRENT from Wikipedia

Why can't I open TORRENT files?

In order to open TORRENT files, you must have a program installed on your computer that is capable of opening them. FileRatings can help you find an appropriate program.

Filename extension.torrent
Internet media typeapplication/x-bittorrent
Standard(s)BEP-0003

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TORRENT

From Wikipedia, the free encyclopedia

A torrent file stores metadata used for BitTorrent. It is defined in the BitTorrent specification.

A torrent file contains the URLs of multiple trackers and integrity metadata about all the pieces. It can also contain additional metadata defined in extensions to the BitTorrent specification. These are known as "BitTorrent Enhancement Proposals". Examples of such proposals include metadata for stating who created the torrent, and when.

File structure

A torrent file is a bencoded dictionary with the following keys:

  • announce - the URL of the tracker
  • info - this maps to a dictionary whose keys are dependant on whether one or more than one files are being shared:
    • name - suggested file/directory name where the file(s) is/are to be saved
    • piece length - number of bytes per piece. This is commonly 218 = 256KB = 262144B.
    • pieces - the concatenation of the SHA-1's of each piece. As SHA-1 returns a 160-bit hash, pieces will be a string whose length is a multiple of 160-bits.

And exactly one of length (corresponds to when only one file is being shared) or files (corresponds to when multiple files are being shared):

  • length - size of the file (in bytes)
  • files - a list of dictionaries (each dictionary corresponds to a file) with the following keys:
    • path - a list of strings corresponding to subdirectory names, the last of which is the actual file name
    • length - size of the file (in bytes)

All strings must be UTF-8 encoded.

Use one of the following applications to open TORRENT files:

  1. InfoµTorrent

    License: Free
    Operating system: Win 7, Vista, XP, NT/2000, 2003, Wine, (32-bit and 64-bit editions of Windows supported)

  2. InfoBitorrent