Anchora
Public Verification Portal
Verify data integrity on the Polygon blockchain. No login required.
Files and JSON never leave your browser.
Only the SHA-256 hash is sent to Anchora.
Paste Hash
Upload File
Paste JSON
SHA-256 Hash
64-character hexadecimal hash
Upload File
Click to upload or drag & drop
File will be hashed locally (never uploaded)
JSON Data
JSON will be canonicalized (keys sorted) and hashed with SHA-256
Computed SHA-256 Hash
Verify on Blockchain
Certificate
QR Code
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