URL Encoding

URL encoding is encoding World Wide Web accessible file location, search query, or CGI script parameters into a WWW Uniform Resource Locator (URL) format. Certain characters are not allowed to occur literally in this format and must be translated to alternate representations.

URLs:

Uniform Resource Locators

The World Wide Web Consortium produced this document, it works with the global community to produce specifications and reference software.

W3E References:

unescape

URL (Uniform Resource Locator)

URL encoded text