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SIGN

Drop to sign.

Drop a file anywhere on the screen. We sign it with an inaudible Mivia signature — your audio stays the way it sounded.

MP3 · WAV · FLAC · AIFF

FILE READY

How do you want to sign it?

file.wav

Per-recipient signing is part of Pro

Sign one track as up to 10 distinguishable copies. If a copy leaks publicly, trace it back to the recipient you sent it to. Inaudible and passive — no perceptual difference between variants.

  • Unlimited jobs on Pro
  • Incognito mode for stealth distributions
  • Same cryptography as single-file signing
Upgrade to Pro See pricing

Recipients

Each name becomes one signed copy in the zip — uniquely tagged so a leaked file traces back to who you sent it to. Up to 10.

Estimated time ~10s

file.wav

Uploading…

SIGNED & DOWNLOADED

Your file is in your downloads.

The audio sounds identical. Only an inaudible signature has been embedded.

Open library

FAILED

Could not sign this file.

Something went wrong. Please try a different file.