Since URLs often contain characters outside the ASCII set, the URL has to be converted into a valid ASCII format. URL encoding replaces unsafe ASCII characters with a “%” followed by two hexadecimal digits. URLs cannot contain spaces. URL encoding normally replaces a space with a plus (+) sign or with %20.

What is URL encoding give example?

All characters to be URL-encoded are encoded using a ‘%’ character and a two-character hex value corresponding to their UTF-8 character. For example, 上海+中國 in UTF-8 would be URL-encoded as %E4%B8%8A%E6%B5%B7%2B%E4%B8%AD%E5%9C%8B .

What happens when you encode a URL?

URL Encoding is the process of converting string into valid URL format. Valid URL format means that the URL contains only what is termed “alpha | digit | safe | extra | escape” characters. … The <space> character also needs to be encoded because is not allowed on a valid URL format.