Do my files get uploaded to your servers?

No. The browser reads the MP3 locally, fills the form from the ID3 tag, and writes a new tag in the same tab. This tool has no server endpoint, so there is nowhere for an upload to go.

Is there a cost, a sign-up or a watermark?

None of the three. Saving tags never touches your credits, and the output is a normal MP3 with the fields you typed — no extra audio and no watermark.

Can I tag WAV, M4A or FLAC?

Not here. This page writes ID3v2, which belongs on MP3. Convert those files first, then tag the MP3.

What happens to tags I do not fill in?

The writer replaces the existing ID3 tag with the form. Empty fields are omitted, so a blank title removes the old title. We prefill the form from tags we can read so you are not starting from scratch. Keep your original until you have checked the downloaded copy. If a music player still shows the old artwork or title, confirm it opened the new file rather than an older copy in its library.

MP3 tag editor

Edit MP3 tags in your browser. Add an MP3, update its ID3 tags and cover art, then download the updated copy. Your audio stays on your device.

Runs on your deviceFree, no creditsNo sign-up

Your files stay on this device Tags are read and rewritten in this browser tab. Nothing is sent to Music3AI, nothing is stored, and closing the tab discards everything.

Drop MP3 files here

MP3 only. Existing title, artist, album and cover are read into the form.

Up to 40 MB per file. Several files save one after another.

Queue (0)

Nothing queued yet. Add an MP3 above and it will appear here.

How to edit MP3 tags

01
Drop one or more MP3 files onto the area above. Title, artist, album and cover already on the file are shown in the form.
02
Set the song title, artist and album; add the track number and year if you need them. Replace or remove the cover image, and check every prefilled field before saving.
03
Press Save tags, then Download to keep the rewritten MP3. Reopen that downloaded copy here to check the title, artist and cover. Renaming a file does not change its ID3 tags; the original file on disk stays unchanged.

MP3 tag questions

Do my files get uploaded to your servers?: No. The browser reads the MP3 locally, fills the form from the ID3 tag, and writes a new tag in the same tab. This tool has no server endpoint, so there is nowhere for an upload to go.
Is there a cost, a sign-up or a watermark?: None of the three. Saving tags never touches your credits, and the output is a normal MP3 with the fields you typed — no extra audio and no watermark.
Can I tag WAV, M4A or FLAC?: Not here. This page writes ID3v2, which belongs on MP3. Convert those files first, then tag the MP3.
What happens to tags I do not fill in?: The writer replaces the existing ID3 tag with the form. Empty fields are omitted, so a blank title removes the old title. We prefill the form from tags we can read so you are not starting from scratch. Keep your original until you have checked the downloaded copy. If a music player still shows the old artwork or title, confirm it opened the new file rather than an older copy in its library.

Want the song instead of the file?

Music3AI turns one sentence into a finished track with vocals, lyrics and a mix. 32 styles, up to 5 minutes, MP3 download.

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