Document Hash Checker
Drop in any PDF to generate its SHA-256 cryptographic hash. Use it to verify document integrity or confirm a hash against a previously recorded value.
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Max file size: 10MB | PDF only
How it works
Drop your PDF
Drag and drop or browse to upload any document.
Generate hash
We compute the SHA-256 fingerprint of your file on your device.
Copy & store
Copy the hash to keep as proof of your document's integrity.
Verify later
Paste a hash to confirm the document hasn't been tampered with.