Code & Data
URL encode / decode
Percent-encode or decode text and URLs, with plain errors for malformed % sequences.
- 1Fill in the values
- 2Click Run
- 3See results instantly
Limits
- A plus sign is treated as a literal +, not a space. Replace + with %20 first for form-encoded data.
- "Full URL" mode leaves reserved characters such as / ? & = # untouched, so it is only for whole URLs.
Ask the AI chat
The AI chat can run this tool for you. Try:
- “url encode hello world & more”
- “url decode: caf%C3%A9%20au%20lait”
- “urlencode "a b/c"”