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