Prove your content is real.
AuthenSeal certifies your photos, videos and documents with a cryptographic hash and trusted timestamp — so the world knows it's genuinely yours.
No credit card · 3 free seals per month · forever · Batch Verify
How it works
Three steps to certified content
Upload your file
Photo, video, PDF or document. Up to 100 MB on the free plan.
We authenticate it
SHA-256 hash + RFC 3161 trusted timestamp. Optionally embedded as C2PA content credentials.
Share your proof
Get a public verification link. Anyone can verify the file's authenticity — forever.
Features
Built for trust
SHA-256 + SHA-512
Cryptographic fingerprint of your exact file. Any modification is instantly detectable.
RFC 3161 Timestamp
Trusted third-party timestamp proves your content existed at a specific point in time.
C2PA Credentials
Embed content credentials directly into your image or video following the C2PA standard.
AI Detection
AI-generated content analysis powered by Hive AI — informational, not a blocker.
eIDAS e-Signatures
AdES electronic signatures for contracts, legally binding for B2B in the EU.
Public Verification
Share a link anyone can use to verify your file — no login required.
Pricing
Start for free. Upgrade when you need more.
Free
$0
forever
- ✓ 3 full-featured seals / month
- ✓ C2PA embedding + AI labeling
- ✓ SHA-256 + timestamp
- ✓ Public verification page
- ✗ Batch sealing
- ✗ API access
Creator
$9
per month
- ✓ 100 seals / month
- ✓ C2PA embedding
- ✓ AI content analysis
- ✓ Branded PDF certificate
- ✓ Windows desktop app
- ✓ API access for desktop app
Business
$29
per month
- ✓ Unlimited seals
- ✓ API access
- ✓ Unlimited batch processing
- ✓ Team workspace up to 5 members
- ✓ Larger file limits
- ✓ Priority support
Have a promo or trial code? Redeem it here ?
Ready to certify your content?
Join photographers, freelancers and agencies who trust AuthenSeal.
Seal Your First File — Free