(1) Base64 Decode: Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The term Base64 originates from a specific MIME content transfer encoding.
(2) Unescape: This function is used in programming language to decode a string encoded using the encode function, or to decode other types of encoded strings (such as URLs).
(3) HTML Decode: Converts a string that has been HTML-encoded for HTTP transmission into a decoded string.
(4) URL Decode: Converts a string that has been encoded for transmission in a URL into a decoded string..
(5) Hex Decode: Convert Hex formatted ASCII Code into char string.