Stamp it. Lock it. Trust it. ☑
Create a tamper-proof record of any text or file, entirely in your browser- uploads stay private, no files stored.
How It Works
Why STAMPEDSAFE?
Runs in Your Browser
All cryptography happens locally. Your content never touches our servers.
Works Forever
Proofs are self-contained. Verify them offline, years from now, with no dependencies.
One-Scan Verification
Anyone can verify a proof by scanning its QR code. No app or account needed.
Scope & Guarantees
What STAMPEDSAFE proofs provide
What It Guarantees
- Content IntegrityConfirms the content hasn't been modified since the proof was created
- Verified TimestampServer-signed time attestation from StampedSafe's central time authority
- Tamper DetectionAny change to the content or timestamp invalidates the proof
- Self-VerificationProofs can be verified offline, forever, by anyone
Limitations
- Not identity verificationProofs don't verify who created them
- Not legal notarizationThis is a technical tool, not a legal service
- Not legal adviceConsult a lawyer for legal documentation needs
What Will You Seal?
Ideas & Concepts
Record when you had an idea before sharing it
Documents
Seal a file's exact state at a point in time
Creative Work
Establish priority on original creations
Records & Evidence
Create verifiable snapshots of moments
Simple Pricing
Start free. Upgrade when you need more.
FAQ
It creates a digital fingerprint of your content and signs it with a verified timestamp from our central time authority. This proves the content existed in that exact form at that moment. Anyone can verify the proof later.
No. Everything runs in your browser. We never see your text or files. Only the cryptographic proof leaves your device—and only when you choose to share it.
Timestamps come from StampedSafe's central time authority and are cryptographically signed. Each proof includes a verifiable time attestation that proves when it was created. The timestamp is accurate to within seconds of our server's time.
Your proofs still work. They use standard cryptographic algorithms (SHA-256, Ed25519) and are self-verifying. Download the JSON and you can verify it with any compatible tool.
STAMPEDSAFE is a technical tool, not a legal service. It provides cryptographic evidence of content integrity and timing, which may support—but does not replace—legal documentation.