Verify a sealed document

Drop the signed PDF you received: that's all you need. It's fingerprinted in your browser and never uploaded. (A .sealproof.json proof bundle is only needed for documents from a self-hosted SealProof server.)

Drop a PDF hereor click to choose · you can include the proof bundle

Prefer not to rely on this website? Download the command-line verifier (Node.js 20+) and run node sealproof-verify.mjs document.pdf. It performs the same checks on your computer.