Mp3tag is a freeware metadata editor for many audio file formats for Microsoft Windows. It includes support for the following audio formats: AAC, AIFF, FLAC, APE, MP3, MPEG-4 (mp4/m4a/m4b/iTunes compatible), MPC, OGG, OptimFROG OFR, OFS, SPX, TAK, TTA, WMA, WAV, WV.
Batch Tag Editing. Write ID3v1.1, ID3v2.3, ID3v2.4, MPEG-4, WMA, APEv2 tags, and Vorbis comments to multiple files at once.
Full Unicode support
Support for embedded album cover art
Automatically creates playlists
Recursive subfolder support
User-defined field mappings
Remove parts of a tag or the entire tag from multiple files
Rename files based on the tag information
Import tags from filenames and text files
Format tags and filenames
Replace characters or words from tags and filenames
Regular expressions
Export tag information to user-defined formats (i.e. HTML, RTF, CSV, XML and TXT)
Import tag information from online databases like freedb, discogs, MusicBrainz or Amazon (also by text-search)
Import tag information from local freedb databases
Support for ID3v2.3 (ISO-8859-1 and UTF-16) and ID3v2.4 with UTF-8
The following is an example of a M3U playlist file for "Jar of Flies" album by "Alice in Chains" that was created by Mp3tag with the following custom option settings:
playlist extended info format = "%artist% - %title%"
playlist filename format = "%artist%_%album%_00_Playlist.m3u"
tag to filename conversion format = "%artist%_%album%_$num(%track%,2)_%title%"
#EXTM3U
#EXTINF:419,Alice in Chains - Rotten Apple
Alice in Chains_Jar of Flies_01_Rotten Apple.mp3
#EXTINF:260,Alice in Chains - Nutshell
Alice in Chains_Jar of Flies_02_Nutshell.mp3
#EXTINF:255,Alice in Chains - I Stay Away
Alice in Chains_Jar of Flies_03_I Stay Away.mp3
#EXTINF:256,Alice in Chains - No Excuses
Alice in Chains_Jar of Flies_04_No Excuses.mp3
#EXTINF:157,Alice in Chains - Whale And Wasp
Alice in Chains_Jar of Flies_05_Whale And Wasp.mp3
#EXTINF:263,Alice in Chains - Don't Follow
Alice in Chains_Jar of Flies_06_Don't Follow.mp3
#EXTINF:245,Alice in Chains - Swing On This
Alice in Chains_Jar of Flies_07_Swing On This.mp3