Free tool
ID3 Tag Editor — online, in your browser
Open an MP3, edit its title, artist, album, year and cover art, and download the freshly tagged copy. Free, no account, no install — and your file never leaves your device.
Everything runs locally in your browser: the audio never leaves your device, and saving produces a fresh copy — your original file is untouched.
Why an online ID3 tag editor?
The classic tag editors — Mp3tag, Kid3, MusicBrainz Picard — are excellent desktop software, but installing an app is overkill when you just need to fix one mislabeled track, correct a year, or drop proper cover art into a file someone sent you. This ID3 tag editor does that job in the browser: open, edit, save, done. Because it has no backend, it is also the private option — nothing to upload, no size limits, works offline once loaded.
What clean tags get you
Every player builds its library from tags. Wrong artist spellings split one artist into three; a missing album artist scatters compilations; absent covers leave gray squares on your CarPlay screen. Five minutes of tag hygiene is the cheapest upgrade a local music library can get — and it benefits every device at once, including players like Trove that read tags and artwork straight from your files.
How to edit ID3 tags — step by step
- Open the file. Drop your MP3 onto the editor above or click to browse. Its current tags and cover art load instantly — nothing is uploaded.
- Fix the fields. Title, artist, album, album artist, year, track number, genre — edit any of them. Album artist is the one people miss: it's what keeps compilations together in every player.
- Sort the cover. Click “Replace cover…” and pick a JPG or PNG — square images look best.
- Save. Press “Save tagged MP3” and a freshly tagged copy downloads. Your original file is never modified.
That's the entire workflow. Editing ID3 tags doesn't need an account, an install or a manual — it needs thirty seconds.
Online MP3 tag editor vs desktop tag software
An online tag editor and desktop ID3 tag software solve different sizes of the same problem. This page is the right tool for one-off fixes: the mislabeled track a friend sent you, a wrong year, a missing cover — open, fix, done, on any computer including one that isn't yours. For retagging hundreds of files in one pass, automatic lookups from acoustic fingerprints, or filename-from-tag renaming rules, install a desktop tagger: Mp3tag and MusicBrainz Picard are the reference picks, and both are free. The trade-off runs the other way too — they're overkill for a single file, and your music has to live on the machine they're installed on.
ID3v1, ID3v2.3, ID3v2.4 — which version matters?
ID3v1 is the 1996 original: 128 bytes bolted to the end of the file, 30-character fields, no cover art — historically important, practically obsolete. ID3v2.3 is the compatibility king: every player shipped this century reads it, embedded cover art (APIC frames) included, which is exactly why this editor writes it. ID3v2.4 is newer on paper — UTF-8 everywhere, multiple values per field — but mainstream software has been slow to love it, and some players still read v2.3 more reliably. Unless a specific app demands v2.4, v2.3 is the safe answer. The full specifications live at id3.org if you enjoy that sort of thing.
ID3 tag editing FAQ
Versions, formats, covers and safety, answered.
How do I edit ID3 tags online?
Drop an MP3 onto the editor above. Its current tags and cover load instantly; change any field, replace the cover if you like, and press 'Save tagged MP3'. A freshly tagged copy downloads — your original file stays untouched.
Is this ID3 tag editor really free and private?
Yes on both counts. There is no account, no watermark and no server: the MP3 is read and rewritten entirely inside your browser, so your music never leaves your device.
Which tag version does it write?
ID3v2.3 — the version with the widest player support, including iTunes/Apple Music, Windows, Android and every serious desktop player. Title, artist, album, album artist, year, track number, genre and embedded cover art (APIC) are written.
Can it edit FLAC or M4A tags?
FLAC, M4A, OGG and other formats currently open in read-only mode — you can inspect their tags and extract the cover, but saving is MP3-only for now. Writing FLAC/M4A tags in the browser is on our roadmap.
How do I change the album cover of an MP3?
Open the MP3, click 'Replace cover…' and choose a JPG or PNG — ideally a square one. Need a high-resolution cover first? Grab one with our Album Art Finder, which downloads official artwork up to 3000×3000.
Will editing tags re-encode or damage the audio?
No. Tags live in a separate block before the audio stream; the editor replaces that block and copies the audio bytes through untouched, so there is zero quality loss.
What's the best free ID3 tagger?
Depends on the job size. For one file right now: this page — no install, no upload, no account. For batch-fixing a whole library: desktop tag software like Mp3tag or MusicBrainz Picard, both free. There is no single 'best', only the right size of tool.
Can I batch edit ID3 tags here?
This editor works one file at a time by design — that's what keeps it instant and fully in-browser. For renaming and retagging dozens of albums in one pass, desktop software with folder support (Mp3tag, Picard) is the honest recommendation.
Tags fixed? Give them a player that respects them
Trove Player for Mac and iPhone organizes your library straight from your tags — FLAC, ALAC, DSD, NAS streaming, synced lyrics. Free, one-time Pro purchase, never a subscription.
More free tools: Add Album Art to MP3 · Extract Album Art · Album Art Finder · LRC Maker