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Audexum

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Is this audio from Audexum?

Free. No account. Files are checked in memory and not kept.

Check a file

Up to 25 MB. The first 10 seconds are scanned for the watermark.

How it works

  • Signed label. Every file we deliver has a metadata comment reading “AI-generated by Audexum” plus an Ed25519 signature. Anyone can verify it with our public key at /.well-known/audexum-provenance.json. Metadata is easy to strip, so a missing label proves nothing.
  • Signal watermark. An AudioSeal watermark in the sound itself. It survives one MP3 encode well; each further lossy re-encode weakens it.

Full details in our AI disclosure. To report a clip misused as a real recording, use /report.