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Base64 text decoder

Decode supported Base64 text and inspect its character data.

Showing a worked example. Change the values and the result updates, and the answer lives in the URL.

Decoded

Decoded textHello, world!
EncodedSGVsbG8sIHdvcmxkIQ==
Decoded byte length13 bytes
Encoded length20 characters
Encoding overhead53.8%Base64 always costs about a third more than the raw bytes
Hex of the decoded bytes48656c6c6f2c20776f726c6421
Padding characters2

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