Overstream: free online subtitle editor

Overstream is a free online editor for creating and synchronizing subtitles to any online video (YouTube, Google Video, MySpace Video, Veoh, Blip.tv, Archive.org and Vimeo.com), store subtitles on the Overstream server, and send the link to the subtitled video to other users, friends or colleagues.

Overstream supports all languages, however, in order to work, the language must be installed on the viewer’s computer.
Both javascript and cookies need to be enabled in your browser in order for this website to work as intended. Also, the Overstream Editor and Player require Flash Player version 8 or above to be installed.

For more information, visit the FAQ section of the webste http://www.overstream.net/help.php