Encoders & Decoders

Base64, URL, JWT, ciphers and more. · 11 tools

Encode or decode Base64 strings.

Encode or decode URL strings.

Encode or decode HTML entities.

Decode, inspect and verify JWT tokens.

Build and sign JSON Web Tokens.

Encode or decode Base32 strings.

Encode or decode Base58 strings.

Apply ROT13 and ROT47 ciphers.

Calculate CRC32 checksums.

Convert domains to and from Punycode.

Encode or decode quoted-printable text.