The free raw URL encoder encodes URLs, texts, strings or patterns using the PHP function RawUrlEncode() and thus replaces all non-alphanumeric characters except - _. ~ into a percent sign (%) plus two hexadecimal values.
This coding corresponds to the RFC 3986 standard and is used so that special characters are not interpreted as URL separators if you want to use a string within query parameters.
Here is an example of percent encoding, how to encode a URL:
Compared to other URL Encode online tools of the Online URL Encrypter offers here when coding your entries more safety: