B4X

Decode Base64 to Zip File

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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. B4X

Dim success As Boolean = False

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

Dim zipData As ChilkatBinData
zipData.Initialize
success = zipData.AppendEncoded(b64, "base64")
success = zipData.WriteFile("qa_output/out.zip")
If success <> True Then
    Log("failed to write Zip file.")
    Return
End If