To decode a bencoded file (most likely a .torrent file), you can either drag and drop the file to the editor below or press the "Open file..." button and select your file.
To encode, paste JSON representation of the structure to the editor below and press the "Save (bencode it)" button.
Still not clear about what it does?
Tip: you can share the URL as the contents are encoded within it.
Note: this application runs only in your web browser, i.e. no data is transmitted to any server.