Sample code for 30+ languages & platforms
Xojo Plugin

Decode Base64 to Zip File

See more Base64 Examples

Shows how to decode a baes64 string that is the encoded representation of the bytes that make up a .zip archive. Decodes the base64 and writes the .zip file.

Chilkat Xojo Plugin Downloads

Xojo Plugin
Dim success As Boolean
success = False

Dim b64 As String
b64 = "UEsDBBQA ... AAALgQAAAAA"

Dim zipData As New Chilkat.BinData
success = zipData.AppendEncoded(b64,"base64")
success = zipData.WriteFile("qa_output/out.zip")
If (success <> True) Then
    System.DebugLog("failed to write Zip file.")
    Return
End If