Mp3tag 3.32d – Free Music Tag Editor & Audio Metadata Tool

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

2025-11-30

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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 editing metadata of common audio formats, supporting ID3v1, ID3v2.3, ID3v2.4, iTunes MP4, WMA, Vorbis Comments, and APE Tags. If you look for a top free audio tag editor to batch edit music files, Mp3tag offers a user-friendly interface and powerful features to manage your entire music library efficiently.

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, e.g., Amazon, Discogs, or Freedb, allowing you to automatically gather proper 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.

Changes in Mp3tag 3.32 :

NEW: added functions SayVar, Use, and UseFormat to Web Sources Framework.
FIX: labels in the Tag Sources search dialog were partially clipped at the bottom for some characters.
FIX: Corrected the problem preventing MP4 mean atoms with uncommon namespaces from being displayed (present since v3.31b).
CHG: Discogs Tag Sources: automatically remove disambiguation numbers from artist names.
FIX: Discogs Tag Sources: Resolved a problem where DISCNUMBER did not import properly when the “–” character was used inconsistently across tracks.
FIX: Resolved an issue where the Web Sources Framework’s debug output created an output set using outputto even when no data was emitted.
NEW: added function SayFormat to Web Sources Framework.
NEW: Discogs Tag Sources: added support for importing COMPOSER from extra artist roles of index tracks and using them for subtracks.
CHG: MusicBrainz Tag Source: complete rewrite to use JSON input instead of XML.
CHG: MusicBrainz Tag Source: media title is now imported to SETSUBTITLE (instead ofDisc Title).
NEW: MusicBrainz Tag Source: added support for importing fields COMPILATION, MUSICBRAINZ_ALBUMTYPE, and ORIGYEAR.
NEW: Discogs Tag Sources: added support for importing COMPOSER from extra artist roles Composed-By, Music-By, Songwriter, and Written-By (and variants thereof).
NEW: Discogs Tag Sources: added support for importing MIXARTIST from the extra artist role Remix.
FIX: Drag-and-drop support for adding files to the File List was broken when running on the latest Wine.
CHG: added TITLE to track the list at the Tag Sources result dialog for releases with identical titles for all tracks.
NEW: added option to disable auto-sizing of columns in Find window results list to preserve manually adjusted column widths.
FIX: tooltips for toolbar buttons were not displayed when the Filter window was focused.
CHG: added confirmation question when sorting the File List if the Tag Panel contains unsaved changes and auto-saving is not enabled.
FIX: occasional runtime error when performing drag and drop from the File List.
NEW: added mp4_creation_time, mp4_creation_time_raw, mp4_modification_time, and mp4_modification_time_raw to display MP4 mvhd creation and modification dates.
FIX: pressing the Del key removed the file from the File List when editing in File List (since v3.31e).
NEW: added ability to select similar files via ‘Edit > Select similar files’ or Ctrl+G.
NEW: added ability to select next similar files that differ from the current file via ‘Edit > Select next similar files’ or Ctrl+Shift+G.
NEW: added support for auto-completion of custom values when editing in Extended Tags.
NEW: added support for auto-completion of custom values when editing in File List.
FIX: The auto-numbering wizard couldn’t be confirmed when the list of fields was empty, even if “Next disc on field change” was disabled.
CHG: added tooltip for cover text at Tag Panel if text is clipped.
Fix: Eliminated a confirmation loop that happened when selecting files already selected following Tag Panel edits, provided the unsaved-changes warning was enabled.
NEW: The application now supports Matroska stereoscopic video (*.mk3d) files.
NEW: Support added for Matroska stereoscopic *.mk3d video files in the Explorer context menu shell extension (requires a restart if the extension is already installed).
FIX: The action Split field by separator did not trim spaces from the resulting values.
FIX: MP3 length could be slightly inaccurate for large constant-bitrate files if some frames use padding and others don’t.
FIX: MP4 gnre atom for GENRE used type identifier that was incompatible with Apple Music, so that “Unknown Genre” was displayed instead of the actual genre (since v3.31b).
FIX: MP4 fields TOTALTRACKS and TOTALDISCS were not written, if accompanied by TRACK and DISC were not changed (since v3.31b).
FIX: runtime error when rewriting FLAC files via temporary file (since v3.31b).
CHG: improved formatting for preview at ‘Convert > Tag – Tag’.
FIX: runtime error that occurred when opening ‘Manage covers…’ and one of the selected files had an invalid cover, which could not be displayed.
FIX: added special handling for situations where writing to FLAC files was prevented by Windows Controlled Folder Access and resulted in a crash.
CHG: In case a Nero tag needs to be written, it’s now using a minimal version without duplicating other metadata.
NEW: Introduced the $dedup(x,y,c) scripting function, which removes duplicate strings from x using y as the separator, with optional case-insensitive matching when c = 1.
LNG: updated Brazilian Portuguese, Catalan, Corsican, Italian, Simplified Chinese, Slovak, Spanish, and Ukrainian translations.