JWT Decoder
Decode JWTs, explain the claims, check expiry and verify HMAC signatures locally.
UUID & ID Generator
Generate UUID v4/v7, ULIDs and nano IDs in bulk; decode the timestamp inside v7 and ULID.
Runs entirely in your browser. Nothing you type or paste is sent anywhere.
More in Encoding & security
Encode / Decode
Base64, Base64URL, URL, HTML entities, hex and Unicode escapes.
Hash Generator
MD5, SHA-1, SHA-256, SHA-384, SHA-512 and HMAC for text or files.
Password Generator
Strong passwords and passphrases from the browser’s secure random source, with entropy.