Base64
Hex string
URL
CBOR
X.509 formats from DER to PEM and back
Unix timestamp to UTC and back
String
Int
Float
Byte array
Hashing (MD5, SHA1, SHA256, SHA512)
Key generation (RSA, ECC)
Encryption/Decryption (3DES, AES, RSA, ECC)
Info about X.509 certificate
Certification Authority operations (CSR signing, i.e. certificate creation)
Jose JWE/JWS/JWK