URL Encoder/Decoder
Encode or decode URL strings
About the URL Encoder/Decoder
The URL Encoder/Decoder converts text to and from percent-encoding, the format used to put spaces, symbols and non-English characters safely into web addresses and query strings.
How it works
Encoding uses JavaScript's encodeURIComponent: every character other than letters, digits and - _ . ! ~ * ' ( ) is replaced by % followed by its UTF-8 bytes in hexadecimal. A space becomes %20, & becomes %26 and é becomes %C3%A9. Decoding reverses the process.
How to Use URL Encoder/Decoder
Enter Your Data
Paste the text or encoded URL.
Run the Tool
Press Encode or Decode.
Use the Result
Copy the result.
Why Use Our URL Encoder/Decoder?
100% Free
No registration, no hidden fees, no limits — ever.
Privacy First
All processing runs in your browser. Your data never leaves your device.
Mobile Friendly
Works perfectly on phones, tablets, and desktops.
Instant Results
Results appear as soon as you run the tool.
Frequently Asked Questions
Q. Why is a space sometimes + instead of %20?
HTML form submissions encode spaces as +. Standard percent-encoding uses %20. Both are common in query strings.
Q. Should I encode a whole URL?
Usually not. Encode individual parameter values; encoding the whole URL also encodes the :// and / characters.
Q. Why did decoding fail?
The input contains a % that isn't followed by two valid hex digits, so it isn't valid percent-encoding.