Encoding
Encode and decode technical text, Base64URL, JWT, URLs, and other formats in the browser without sending content to the server.
Available tools
Free tools for encoding.
Base64 Converter
Encode and decode Base64 in the browser, with UTF-8 support, Base64URL, and privacy notices.
JWT Decoder
Decode JWT header and payload in the browser, inspect claims, dates, and security warnings without sending the token to the server.
URL Encode Decode
Encode and decode URL components, URIs, and form values in the browser without sending content to the server.