Base64 Encoder/Decoder
Encode Unicode text as Base64 or decode Base64 safely.
Use the Base64 Encoder/Decoder
Enable JavaScript in a modern browser to open the interactive converter. No account or installation is required.
How to use the Base64 Encoder/Decoder
- Paste or enter the content or values you want to process.
- Review the format-specific options, then select Convert.
- Check the result, then copy it or download it with a practical filename.
Technical note
Processing is conservative and designed for utility, not production build optimization. Test code after minification.
Related developer tools
- JSON Formatter to Minified JSONValidate and minify formatted JSON without changing its data.
- HTML Encode/Decode ToolEncode reserved HTML characters or decode HTML entities.
- Minified JSON to Pretty JSONValidate compact JSON and format it with readable indentation.
- URL Encode/Decode ToolEncode text for a URL component or decode percent-encoded text.
Base64 Encoder/Decoder FAQ
Is this tool free to use?
Yes. The Base64 Encoder/Decoder is free and does not require an account.
Is my input uploaded to a server?
Input is processed on your device. Advanced file tools may download a browser library, but your selected content is not sent with that request.
Can I use the output commercially?
You may use the generated output in your own work, subject to the rights and terms that apply to your source material.