Audio Watermark

Protect your work with a silent, ownership-traceable watermark.

Inaudible watermark

Embed a silent, ownership-traceable ID into your audio. It survives MP3 re-encoding and is inaudible — if a copy leaks, you can prove it came from you. Free to use.

Audio file

Watermark IDOutput format

Verify a watermark

Upload a file to check which inaudible ID(s) it carries.

Audio file