A track shows up as “Unknown Artist,” an album plays out of order, or a favourite song has no cover art. The culprit is the ID3 tag — the small block of text inside the MP3 that tells players the title, artist, album, and cover picture. This free mp3 tag editor reads the tag your file already carries, lets you correct it, and writes a fresh copy with the audio untouched, so there is no quality loss at all. Everything runs in your browser, so your music is never uploaded, and no signup is needed.
How to use this mp3 tag editor
Fix the label without touching the music.
Open one MP3 file. The form fills itself in with whatever tag the file already has, if any.
Fix the title, artist, album, year, track number, and genre, and add, replace, or remove the cover picture.
Download a fresh copy with the new tag. The audio is copied byte for byte, and your original file is left alone.
Why this mp3 tag editor rewrites only the tag, never the audio
The tag is the label on the jar, not what is inside it — so editing it should cost zero sound quality.
Title, artist, album, album artist, year, track and disc numbers, genre, composer, and comment, plus the embedded front-cover picture.
Tags are written as ID3v2.3, the version even older car stereos and library software read reliably, rather than a newer variant some players ignore.
Only the tag block at the front of the file changes. The music itself is copied untouched, so a corrected file sounds exactly like the original.
A square cover picture embedded in the tag shows up on phones, car screens, and library apps wherever the file goes.
MP3 Tag Editor FAQs
Short, direct answers to the questions readers ask most.
No. Only the ID3 tag is rewritten; the audio frames are copied byte for byte, so the sound is identical to the original.
It is the metadata block inside an MP3 file — title, artist, album, year, genre, track number, and optionally cover art — that players read instead of the file name.
Players read the ID3 tag, not the file name. Renaming track_07.mp3 changes nothing on screen; correcting the tag’s artist field is what fixes it.
No — those formats use different tagging systems, not ID3. This tool edits MP3 (ID3) tags only, and says so rather than silently failing on other formats.
Yes. It runs entirely in your browser — no account, no signup, and nothing uploaded.
Related Tools
More free converters that work the same way — right in your browser.
Cut an audio file down to the section you want, with no upload and no signup.
Audio JoinerJoin several audio files into one, right in your browser.
Volume BoosterRaise the volume of a quiet audio file in your browser.
Audio NormalizerEven out an audio file’s loudness so quiet parts are easier to hear.
Try the related tools above, or go back to the Convertion homepage for more free converters.
