Hash Generator

MD5, SHA-1, SHA-256, SHA-384, SHA-512 and HMAC for text or files.

Runs entirely in your browser. Nothing you type or paste is sent anywhere.

HMAC

Text

Type or paste text to see every hash at once.

Expected hash

Paste a checksum from a download page, in hex (any case) or Base64.

Decode JWTs, explain the claims, check expiry and verify HMAC signatures locally.

Base64, Base64URL, URL, HTML entities, hex and Unicode escapes.

Generate UUID v4/v7, ULIDs and nano IDs in bulk; decode the timestamp inside v7 and ULID.

Strong passwords and passphrases from the browser’s secure random source, with entropy.