Mp3tag 3.34.1 – Free Music Tag Editor & Audio Metadata Tool

Edit and organize audio metadata easily with batch processing and support for all major formats.

2026-05-31

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Mp3tag - Edit, organize, and manage music metadata efficiently for all your audio files.

Mp3tag is a powerful and easy-to-use universal tag editor that allows users to edit metadata for a wide range of audio formats, including ID3, MP4, WMA, and more. It offers batch editing capabilities and a user-friendly interface, making it an efficient solution for organizing and managing music libraries.

It can rename files based on tag information, replace characters or words in tags and filenames, import /export tag information, create playlists, and more.

Mp3tag supports online database lookups from Amazon, Discogs, and Freedb, allowing automatic retrieval of accurate tags and cover art for your music library.

Beyond its core capabilities, MP3tag offers a variety of additional functions, including batch export of embedded album covers, support for iTunes-specific tags (such as media type or TV Show settings), and the ability to combine multiple actions into groups that can be applied with a single click.

MP3tag supports the following audio formats:

Advanced Audio Coding (AAC)
Free Lossless Audio Codec (FLAC)
Monkey’s Audio (ape)
Mpeg Layer 3 (mp3)
MPEG-4 (mp4 / m4a / m4b / iTunes applicable)
Musepack (mpc)
Ogg Vorbis (Ogg)
OptimFROG (ofr)
OptimFROG DualStream (ofs)
Speex (spx)
Tom’s Audio Kompressor (tak)
True Audio (tta)
Windows Media Audio (WMA)
WavPack (WV)

Main features:

Batch-Tag Editing Write ID3v1.1, ID3v2.3, ID3v2.4, MP4, WMA, APEv2 Tags, and Vorbis Comments to numerous files instantly.
Cover art download support lets you apply album covers to your files, strengthening your library’s visual impact.
Import from Amazon, Discogs, FreeDB, and MusicBrainz. Save typing and import tags from online databases such as Amazon, Discogs, freedb, MusicBrainz, and others.
Replace characters or phrases. Replace strings in tags and filenames (with help for Regular Expressions).
Create Playlists automatically. Create and manage playlists automatically while editing.
Rename files from tags. Rename files based on the tag information and import tags from filenames.
Export to HTML, RTF, or CSV to generate detailed reports and lists of your collection using customizable templates.
Complete Unicode support ensures the user interface and tagging are fully compliant.

What’s New in Mp3tag 3.34.1 (2026-05-07):

FIX: Large integer metadata values were truncated to the preferred storage width when writing MP4 atoms like ITUNESCATALOGID.
FIX: minor performance regression in the action groups dialog that could slow down loading or adding large numbers of action groups.
FIX: Using ‘Convert > Tag – Tag’ changed the last used Quick Action to ‘Format value’.
FIX: Configuring or performing an action via a custom toolbar button also changed the last used Quick Action to this action type.
LNG: updated French, Hungarian, and Traditional Chinese translations.

Official Homepage – https://mp3tag.de

Supported Operating Systems: Windows 7, 8, 8.1, 10, 11 (32-bit, 64-bit).