zippydevtoolsEncoding
Base64 Decode
Decode Base64 strings into readable text in the browser.
Processed locally
LocalAuto
Input
Base64
Output
Process the input to see the result here.
About this tool
Decode Base64 strings into readable text in the browser.
Standard tool execution runs in the browser, with no dedicated backend for processing inputs.
How to use
- Paste or enter data in the input panel.
- Use Process, or let automatic processing run when available.
- Review the result, copy the output, and validate it before critical use.
Common use cases
- Decode a string
Quick examples
Decode a string
Input: SGVsbG8gd29ybGQ=
Output: Hello world
Base64 Decode FAQ
Does Base64 Decode decrypt data?
No. It only decodes Base64 text into readable content.
What happens when the input is invalid Base64?
The tool returns a decoding error and you need to fix the input.
Does it support accents and emoji?
Yes. Conversion uses UTF-8, so common Unicode characters are preserved.
Does it validate the source of the content?
No. It only converts the string you provide.
Is my content stored anywhere?
No. Processing stays local in the browser session.
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