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Crypto tools
Hashes and digests for text or files, computed entirely in your browser — nothing uploaded.
- Hash generator
SHA-2, SHA-3, Keccak, BLAKE and legacy checksums, for text or files.
- Password strength
Score a password with zxcvbn — the guessing model, with matched patterns shown.
- HMAC
Keyed MACs over text — SHA-1/256/384/512 through WebCrypto, keys as text/hex/base64.
- bcrypt
Hash with bcryptjs cost 4–15 in a disposable worker; verify against a pasted hash.
4 tools · everything is computed locally, nothing leaves your device.