Secure & Permanent

Set it in Stone.
Digitally.

Prove your document existed. Permanent and verifiable.

Try it now
— free —

Drop your file here

Documents, images & more • Max 100MB

Never leaves device
For The Freelancer
securing
a service agreement

Local Hashing

Your file is converted into a unique fingerprint right on your device.

Timestamp

An independent timestamp (RFC 3161) proves the exact moment.

Decentralized Storage

The proof is permanently stored on a global decentralized network.

SHA-256
RFC 3161
Pinata
AES-256-GCM
Secure delivery powered by.CarryOn

Ready to start?

First 3 seals are completely free

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