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Verify a Certificate
Paste a hash or drop a file to verify its blockchain proof-of-existence.
Hash Input
Text Content
File Drop
SHA-256 hash (0x + 64 hex chars)
◎ Verify Hash
Clear
Paste the original content to hash and verify
Hash & Verify
Hash:
Drop file here or click to browse
Hashed client-side — only SHA-256 is sent
Computed hash:
Verify File
Asset Type
Certificate ID
Certified At
Network
Polygon Mainnet
Owner
↗ Polygonscan
View Certificate
📋 Copy Hash
HOW IT WORKS
🔐
Hash your content
SHA-256 creates a unique fingerprint of any file or text.
⛓
Anchor on Polygon
The hash is stored immutably on-chain as an ERC-721 NFT.
◎
Verify anytime
Anyone can verify — proof your content existed at that moment.