Name: base64Decode

Type: function

Syntax: the base64Decode of <encodedData>

Syntax: base64Decode(<encodedData>)

Summary: <return|Returns> the original data from a base 64-<encode|encoded> <string>.

Introduced: 1.0

OS: mac,windows,linux,ios,android

Platforms: desktop,server,web,mobile

Example:

put base64Decode(receivedData) into URL "file:download.mov"

Example:

base64Decode(base64Encode(myData))

Parameters:

encodedData (string): A string of of any length. Valid base 64-encoded data can include uppercase and lowercase letters, digits, +, /, and =. Other characters are ignored.

Returns: The <base64Decode> <function> <return|returns> the original <binary file|binary data>.

Description:

Use the <base64Decode> <function> to take a base 64-<encode|encoded> <string> and transform it back into the original <binary file|binary data>.

The <base64Decode> <function> is the <inverse> of the <base64Encode> <function>.

The decoded result is generally smaller than the encoded data.

Base 64-encoded data does not necessarily contain any = signs. If a run of one or more = signs is present, it indicates the end of the data.

The base 64 encoding scheme is often used to encode binary data for MIME mail and HTTP transfers.

For technical information about base 64 encoding, see section 6.8 of RFC 2045 at http://www.ietf.org/rfc/rfc2045.txt.

References: string (keyword), inverse (keyword), md5Digest (function), base64Encode (function), decompress (function), encode (glossary), return (glossary), binary file (glossary), function (control_st)