The best free URL encoder converts text to and from percent encoding in the browser, so your input is never uploaded. It is free with no account, handles both directions, and is safe for query strings that contain sensitive values.
URL encoding often involves tokens, search terms, redirect targets or parameters you would rather keep private. A client-side encoder does the percent encoding entirely in your browser, so the value you paste stays on your machine and is never logged by a third party.
A good URL tool converts a raw string into a safe percent encoded form and turns an encoded string back into readable text, with a clear toggle between the two. Because it runs locally the conversion is instant and it keeps working even without a connection once loaded. That makes it handy when you are building a link, debugging a query string or reading an encoded parameter someone sent you.
No. Encoding and decoding run in your browser, so nothing is uploaded.
Yes. It converts text to percent encoding and back to readable text.
No. It is free with no account and no limit.