Decode a JWT

Encryption tools in one place: encrypt/decrypt with AES, DES, 3DES, RC4, ChaCha20, XXTEA, RSA and ECDSA, JWS and JWE; a hash generator (MD5, SHA-1/2/3, BLAKE, CRC, 40+ algorithms, HMAC, KDFs, bcrypt/Argon2) and encoding (Base64/32/58, Hex, URL, HTML, CBOR, JWT, hex dump). Works offline.

Updated November 9, 2026

Encryption tools

• Encrypt text (AES)
• Base64 encode / decode
• URL encode
• Compute a hash (SHA, MD5)
• Password hash (bcrypt)
• Encryption tools →