Your files stay on your device

Hash generator

SHA-2 and SHA-3, Keccak, BLAKE and legacy checksums of text or files, hashed in your browser. Nothing uploaded.

You paste
Digests update live as you type
Hash a file

Pick a file to hash it with every selected algorithm: SHA-2 runs on Web Crypto, MD5/SHA-3/Keccak/BLAKE/CRC32 on hash-wasm, in a worker when your browser allows it.

Any file. Hashed in chunks in this tab (worker when available).
BLAKE3 key (optional, keyed mode)
unkeyed BLAKE3
Compare with expected hash

Paste a digest to verify against. Matching rows are marked.

Digests

Paste text above (or hash a file) to compute digests.

1 algorithm selected
Paste, drop, or type to begin. Everything stays on this device.

More hashing & encryption tools

All hashing & encryption tools