Edit MP3 tags and cover

Common title/artist/album/year/track/genre/comment/copyright and front cover; other supported metadata retained.

  • Runs in your browser
  • No upload
  • Check before download

Audio stays on this device. No upload or microphone recording. Common title/artist/album/year/track/genre/comment/copyright and front cover; other supported metadata retained. Audioframes byte-identical; encrypted/compressed/grouped/protected tag frames reject. Original backup remains. MP3 up to 16 MiB and 120 seconds; ID3v2.3 or 2.4 tags up to 2 MiB and 256 frames; fields up to 1024 characters; front PNG or JPEG up to 1 MiB and 4 MP. The operation has a 20-second deadline. Audio frames and original bytes are retained, with no re-encoding. Other formats and unsupported protection are rejected. PNG and JPEG covers are limited to 8192 px.

How to use this tool

  1. Choose audio

    Audio stays on this device. No upload or microphone recording. MP3 up to 16 MiB and 120 seconds; ID3v2.3 or 2.4 tags up to 2 MiB and 256 frames; fields up to 1024 characters; front PNG or JPEG up to 1 MiB and 4 MP. The operation has a 20-second deadline. Audio frames and original bytes are retained, with no re-encoding. Other formats and unsupported protection are rejected.

  2. Supported model and limits

    Common title/artist/album/year/track/genre/comment/copyright and front cover; other supported metadata retained. Audioframes byte-identical; encrypted/compressed/grouped/protected tag frames reject. Original backup remains.

  3. Download

    Original file · Common title/artist/album/year/track/genre/comment/copyright and front cover; other supported metadata retained. Audioframes byte-identical; encrypted/compressed/grouped/protected tag frames reject. Original backup remains.

Supported model and limits

Original file

MP3 up to 16 MiB and 120 seconds; ID3v2.3 or 2.4 tags up to 2 MiB and 256 frames; fields up to 1024 characters; front PNG or JPEG up to 1 MiB and 4 MP. The operation has a 20-second deadline. Audio frames and original bytes are retained, with no re-encoding. Other formats and unsupported protection are rejected.

Supported model and limits

Common title/artist/album/year/track/genre/comment/copyright and front cover; other supported metadata retained. Audioframes byte-identical; encrypted/compressed/grouped/protected tag frames reject. Original backup remains.

How can I check this result?

Reopen the MP3 and check the supported fields and the cover image. Compare the unchanged audio-frame bytes with the original. Editing tags is not transcoding, and it doesn't prove the file works in every player.

Some audio workflows use Mediabunny1.60.0 (MPL-2.0). Copyright notices and original license · Download preferred TypeScript source1.60.0