Encode / Decode Tools
Base64, URL, JWT and other encodings.
Base64 Encode / Decode
Encode text to Base64 or decode it back — with URL-safe and file support, 100% in your browser.
HTML Entities
Encode text to HTML entities or decode them back — including named and numeric entities, 100% in your browser.
JWT Decoder
Decode and inspect a JSON Web Token's header, payload and claims — and verify HMAC signatures, 100% in your browser.
URL Encode / Decode
Percent-encode or decode URLs and query strings — with a parameter parser, 100% in your browser.