URL Encoder / Decoder
Encode or decode URL-encoded (percent-encoded) strings.
Developer Tools: use this free online url encoder / decoder in your browser. No signup, no data sent to our servers—instant results.
What this tool does & how to use it
What is this tool?
The URL encoder and decoder converts special characters in strings to percent-encoded form (and back). Needed when building URLs or handling form data so that characters like spaces and ampersands are transmitted correctly.
Use cases
Encoding query parameters, form values, or path segments. Decoding URLs or API responses to read the original string.