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HTML URL Encoding

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URL encoding converts characters into a format that can be safely transmitted over the Internet.


URL - Universal Resource Locator

Web browsers request pages from web servers by using a URL.

The URL is the address of a web page like: http://www.w3schools.com.


URL Encoding

URLs can only be sent over the Internet using the ASCII character-set.

Since URLs often contains characters outside the ASCII set, the URL has to be converted. URL encoding converts the URL into a valid ASCII format.

URL encoding replaces unsafe ASCII characters with "%" followed by two hexadecimal digits corresponding to the character values in the ISO-8859-1 character-set.

URLs cannot contain spaces. URL encoding normally replaces a space with a + sign.


Try It Yourself

If you click the "Submit" button below, the browser will URL encode the input before it is sent to the server. A page at the server will display the received input.

Try some other input and click Submit again.


URL Encoding Examples

Character URL-encoding
%80
%A3
%A9
%AE
%C0
%C1
%C2
%C3
%C4
%C5

For a complete reference of all URL encodings, visit our URL Encoding Reference.


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