Encodes a string to HTML entities or decodes HTML entities to their original characters. Supports named references and decimal values.

Encodes text to Base32 or decodes Base32 to text according to RFC 4648. Supports UTF-8.

Encodes either text or HEX to Base58 or decodes Base58 to text or HEX.

Encodes text to Base64 or decodes Base64 to text. Supports UTF-8.

Encodes a binary image to Base64 or decodes Base64 to a binary image on your browser without uploading it.

Decodes a JSON Web Token (JWT) instantly to view the claims inside, such as the algorithm used to sign it and the attached data.