Developer tool

Base64 Decoder

Decode Base64 into readable UTF-8 text in the browser, with invalid-data feedback.

Runs in your browser. No signup or cloud computer.

24 / 100,000

Result

Your result will appear here. The input stays in this browser tab.

How to use it

Paste a Base64 value to see its decoded UTF-8 text before using it.

Try this example

SGVsbG8sIE1hdHJpeCBPUyE=

What to check

Binary data that is not valid UTF-8 cannot be displayed as text here.

Review the result before using it in a published page, application, or agent configuration.

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