URL Encode

What does Encode URL Meanes?

  • An encoded URL is an URL string transformed into a character string by replacing all special characters with a percent sign.

URL encoding or Percent encoding is a technique used to encode information within a Uniform Resource Identifier under specific conditions. There are many reasons for encoding information in URLs. For example, when you have a query parameter in your URL, you can use percent-encoding to encode the value of that parameter.


Why do we need to Encode URL?

  • Because some characters have special definitions.
  • For example, within a query string, the ampersand (&) serves as a separator between key-value pairs. If you put an ampersand in one of these values, it would look like the separator between the end of one value and the beginning of the next key. For special characters of this type, percentage coding is therefore used to make sure that the data is coded unambiguously.


How can I tell if a URL is encoded?

URLs can be encoded in many different ways. The most common encoding is ASCII encoding, where the characters are represented by their numerical values.

To tell if a URL is encoded, you can look for any signs of encoding such as following:

(%2F”, “%3E)



The (%2F”, “%3E), (%2526) or (?id=1&name=) part is the encoded URL.


What parts of a URL should be encoded?

  • The characters that should be encoded in URLs are the following characters separated with the comas: &, ? , / , : , and @.


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