The Internet Can No Longer Tell What Media Is Real

ZRY makes digital media verifiable—even after you share it, screenshot it, or re-upload it. No original file required.

Built For Creators

Protect authorship and attribution

Your work, permanently signed. Invisible watermarks prove ownership without affecting how your content looks or sounds.

Zero quality loss
🌍Works on all platforms
✍️Automatic attribution
🛡️Copyright protection
Regulatory Ready
C2PA Compatible
🎨
Protection Active
Cryptography
Post-Quantum
Quantum Resistant
🔒 Secured

Sign. Share. Verify.

01

Sign Media

Upload media through our API or web interface. ZRY embeds an invisible watermark and signs the asset with a tamper-resistant manifest.

ImagesVideoAudioDocuments
API RequestPOST /v1/watermark
curl example:
curl -X POST https://api.zry.dev/v1/watermark \
  -H "x-api-key: YOUR_API_KEY" \
  -F "file=@media.jpg"
Signed in <50ms
The proof stays with the media
Screenshot it
Still verified
Compress it
Still verified
Crop it
Still verified
Re-upload it
Still verified
02

Share Anywhere

Post it. Screenshot it. Play it out loud. Re-upload it. The invisible watermark survives compression, cropping, and format conversion. The proof travels with the media.

Invisible
Zero quality loss
Robust
Survives transforms
03

Verify Anytime

Upload the media to ZRY or look it up in the public trust ledger. Every signed asset is recorded with tamper-resistant provenance. Anyone can verify independently—no original file required.

Verification ResultAuthentic
Creator
Verified Publisher
Signed
1/14/2026
Status
Unmodified

Built for Scale and Regulation

Enterprise-grade security and compliance. Designed for legal, regulatory, and platform-level trust.

Invisible Watermarks

Embedded at the frequency level so they survive screenshots, cropping, compression, and playback.

Cryptographic Proof of Origin

Each asset is signed with a tamper-resistant manifest that proves who created it and when.

C2PA Compatible

Fully compatible with C2PA. Signed provenance manifests integrate with existing trust infrastructure.

Post-Quantum Cryptography

ML-DSA signatures and ML-KEM key encapsulation. Future-proof against quantum computing threats.

Public Trust Ledger

Every signed asset is recorded. Anyone can look up provenance and verify authenticity—without contacting the signer.

Compliance & Legal

Verifiable in legal settings
C2PA compliance
Audit trails
Enterprise SSO
Developer Experience
SDKs • Documentation • Support • Monitoring
Flexible Configuration
C2PA Only • +Invisible • +Quantum

Pay only for the layers you need. Start with C2PA, upgrade to invisible + quantum for advanced security.

Make your content verifiable.

Start signing and verifying digital media. Protect images, video, audio, and documents—even after they've been shared.

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ZRY | The Trust Layer for Digital Media