@B64DECODE[s,string] : Decode a Base64 string (MIME encoding format). Returns the decoded string.

@B64DECODE[inputfile,outputfile] : Decode a Base64 file (MIME encoding format). Returns 0 if the output file was successfully written.

 

Example:

 

echo %@b64decode[s,dGhpcyBpcyBhIHN0cmluZw==]

this is a string

 

echo %@b64decode[data.file.b64,date.file]