Base64 Decoder
Decode Base64 to UTF-8 text in your browser.
Embed this tool
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Tool workspace
Decodes Base64 to UTF-8 text in your browser. Whitespace in the Base64 input is ignored.
How it works
Paste Base64 and Decode. Whitespace is ignored. Output is interpreted as UTF-8 text.
Empty input clears the result—no error. Invalid Base64 or non-UTF-8 bytes show a clear error.
Empty input clears the result—no error. Invalid Base64 or non-UTF-8 bytes show a clear error.
Examples
- SGVsbG8sIHdvcmxk → Hello, world
- Y2Fmw6k= → café
Privacy
Privacy: this tool processes Base64 locally in your browser. We do not log or store what you paste. Login is not required.
FAQ
Is my input uploaded?
No. Decoding runs entirely in your browser.
Do I need an account?
No. All published tools work for guests without login.