URLDecode
URLDecode["string"] decodes a URL-style percent-encoded string.
Examples
Decode a URL-encoded string:
URLDecode["Hello%20World"]
(* "Hello World" *)Decode special characters:
URLDecode["test%3Dvalue%26key%3D123"]
(* "test=value&key=123" *)Please visit the official Wolfram Language Reference for more details.