Label audio

Embed a Made Mark label into an MP3's ID3 tags — the metadata podcast apps and players read. Your existing tags (title, artist, artwork) are kept; the label is added alongside them. Everything runs in your browser — your file never leaves your device.

1 · Your audio (MP3)

Drop an MP3 here or click to choose a file

2 · How was this audio made? (required)

Model (optional)

Provider (optional)

Source license (optional)

3 · Download

The label is written as TXXX frames plus a comment any player can show. Verify with exiftool yourfile.mp3 or any tag editor. For FLAC, WAV, or AAC, embed via XMP — see Implement.

4 · Episode notes snippet

Paste this into your show notes, track description, or wherever the audio is published — it survives platforms that strip file metadata.

Choose a mark first.