How to Decode a Base64-Encoded Image and Save it to Disk?

Converting a base64-encoded string to an image and saving it to the file system

Problem

I have a string in base64 format representing a PNG image. How do I save this image to the file system as a PNG file?

Answer

<code class="python">import base64

# Decode the base64-encoded string and convert it into binary data.
binary_data = base64.b64decode(string_data)

# Save the binary data to a file.
with open('image.png', 'wb') as f:
    f.write(binary_data)</code>

In this example, string_data is a base64-encoded string, and image.png is the desired filename for the saved image.

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