Decode base64-encoded text into
text or binary, using just your browser. View the decoded value or download it as a file.
(You can use our
client-side base64 encoder
to try it out!)
This decoder works for both regular and URL-safe encodings.
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This decoder runs entirely in the browser—it does not send any data to
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What is Base 64 Decoding?
Base64 is a way of representing binary data in an ASCII string.
‘Base64 decoding’ is the process of transforming a base64 representation
— a string of odd-looking text — back into the original binary or text data.
Wikipedia has a good expalanation of
what base64 encoding and decoding
Load the base64 data to decode from a file, then press the ‘Decode’ button:
Alternatively, type or paste in the text you want to base64–decode, then press the