Converters · stable
Base64 Encoder & Decoder
Encode and decode Unicode text as Base64 in your browser.
Your data never leaves your browser.
Base64 is an encoding, not encryption. It does not protect sensitive information.
How to use it
Clear input. Immediate result.
Enter your input, adjust the available options, and review the result. Processing happens entirely in this browser tab.
Useful for
- Inspect data during development
- Prepare a value for documentation
- Check an input before using it elsewhere
Privacy & limits
Processing happens in this tab. Input is not sent to this site, saved to an account, or included in analytics. Sensible size guards keep ordinary input responsive.
FAQ
Does this upload my input?
No. The implementation runs locally in the browser.
Should I use sensitive production data?
Prefer sanitized values. Local processing reduces exposure, but your browser, extensions, and device remain part of your security boundary.
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