URL Encoder / Decoder

URL encoding (also called percent-encoding) replaces unsafe characters in a URL with a percent sign followed by two hexadecimal digits. For example, a space becomes %20 and an ampersand becomes %26.

This encoding is necessary because URLs can only contain a limited set of ASCII characters. Characters like spaces, quotes, and non-Latin scripts must be encoded to be transmitted correctly in web addresses and query strings.

Developers use URL encoding when building query parameters, form submissions, and API requests. Our tool encodes and decodes instantly in your browser with no server interaction.