SWF is a format designed to store vector graphics and animation, it may contain sound, video, text and other data. Such files are widely used for creating animation, games and playing video and audio on web pages. It is possible to open SWF files with Adobe Flash Player or with a browser that has the flash plugin installed.

This is open lossless codecs, developed under the Ogg project. Lately it’s become quite popular: many users wishing to store audio with original quality choose FLAC. This is partly in connection with the fact that codecs uses IDv1 and IDv3 tags – this allows a user to sort an audio collection according to one’s particular tastes, changing the original metadata of the tracks.