Developer Tool UTF-8 Safe Real-time

Base64 Encoder & Decoder

Free online Base64 encoder and decoder. Fast, free, and secure online tool. 100% private with no data uploads required. Professional results.

Text mode: "1" becomes MQ==.
0 chars | 0 bytes

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Why use our Base64 Tool?

100% Client-Side

Your data never leaves your computer. We process everything in your browser's memory, making it the safest way to handle sensitive strings.

UTF-8 Support

Unlike standard Base64 tools that break on emojis or international characters, our tool uses a UTF-8 bridge for perfect encoding every time.

Frequently Asked Questions

Is this tool free to use?

Yes. This is a free online tool and you can use it anytime without registration.

Is my data private?

Your input is processed with privacy in mind, and sensitive content is not shared with third parties.

Does it work on mobile?

Yes. The tool is responsive and works on modern phones, tablets, and desktop browsers.