Text & encoding
Base64 and URL encoding and decoding that runs in your browser.
2 tools
Base64 encoder & decoder
Encode text to Base64 or decode Base64 back to text (UTF-8), with URL-safe and 76-character line options. Runs entirely in your browser.
URL encoder & decoder
Percent-encode text for URLs or decode it back, as a single value (encodeURIComponent) or a whole address (encodeURI), with an option for + as space. Query parameters are listed when decoding.