A tag editor is a computer program that enables users to rapidly edit metadata of multimedia files, without altering file's content.
The most common purpose of taggers is to sort multimedia files, like audio collections, by using a batch processing algorithm.
For example, by using a tag editor, users can easily set the album name, release date and genre for a large number of audio files without entering this information for each and every one of the multimedia files.
Nowadays, most taggers and audio players enable users to automatically look up CD info from freedb or Gracenote - online database with track info for millions of CDs.
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