A cryptographic hash that maps any input to a 256-bit fixed-size digest. Widely used for integrity checking and digital signatures.

Is my input uploaded?

No. Hashing uses the browser's native window.crypto.subtle.digest. Files are read locally via FileReader and never sent to any server.

SHA-256 Hash Generator

Hash any text or file in your browser using the native Web Crypto API. Nothing is uploaded.

Privacy: nothing is uploaded. Text and files are hashed locally.

Text

Or a file

SHA-256 (hex)

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0 bytes · SHA-256 always produces a 64-hex-character digest.