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Base64 Converter — Free Online Unit Converter

Base64 Converter converts base64 instantly as you type, and encode and decode base64. Everything is computed locally in your browser — your data never leaves your device. Completely free, with no account required.

How to use Base64 Converter

1. Enter or paste your base64 value.
2. Pick the units or target format.
3. Copy the converted result.

Frequently asked questions

Is Base64 Converter accurate?

Yes — it uses exact standard conversion factors, computes in full precision, and rounds only for display.

Do I need to install anything?

No. Base64 Converter runs in any modern browser on desktop or mobile, with nothing to install.

Is there a limit on how many conversions I can do?

No. Conversions run locally in your browser, so there is no quota and no rate limit.

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