Portable Mp3tag is the portable edtion for Mp3tag, can edit the tags of various audio file formats, edit metadata (ID3, Vorbis Comments and APE) of common audio formats, allows you to rename files based on the tag information and replace characters.

Portable Mp3tag can rename files based on the tag information, replace characters or words from tags and filenames, import/export tag information, create playlists and more. The program supports online freedb database lookups for selected files, allowing you to automatically gather proper tag information for select files or CDs.

Mp3tag supports the following audio formats:
1. Advanced Audio Coding (aac)
2. Free Lossless Audio Codec (flac)
3. Monkeys Audio (ape)
4. Mpeg Layer 3 (mp3)
5. MPEG-4 (mp4 / m4a)
6. Musepack (mpc)
7. Ogg Vorbis (ogg)
8. OptimFROG (ofr)
9. OptimFROG DualStream (ofs)
10. Speex (spx)
11. True Audio (tta)
12. Windows Media Audio (wma)
13. WavPack (wv)

Portable Mp3tag Features:
1. Write ID3v1.1-, ID3v2-, APEv2-Tags and Vorbis Comments to multiple files at once
2. Automatically create playlists
3. Recursive subfolders support
4. Remove parts or the entire tag of multiple files
5. Rename files based on the tag information
6. Import tags from filenames
7. Format tags and filenames
8. Replace characters or words from tags and filenames
9. Regular Expressions
10. Export tag information to user-defined formats (like html, rtf, csv, xml)
11. Import tag information from an online database (also by text-search)
12. Import tag information from a local database

The license of this software is Freeware, you can free download and free use this mp3 tag editor software.