URL Encoder / Decoder

Transform URIs and simplify query strings safely.

URL Encoder / Decoder

How to use

1

Choose Mode

Type in either the 'Decoded' or 'Encoded' box. The other side updates automatically.

2

Check for Errors

If your input is invalid (like a bad % sequence), an error message will appear.

3

Copy Output

Use the copy button above the result you need.

Frequently Asked Questions

URL encoding converts characters into a format that can be transmitted over the Internet. It replaces unsafe ASCII characters with a "%" followed by two hexadecimal digits.