Base64 Encode Online

Encode text or data to Base64 online — free, instant, no login required. Paste your plain text and get the Base64-encoded string in one click. Useful for encoding credentials, embedding images, and working with APIs. All processing happens in your browser.

Free tool · No signup required · Works instantly in your browser

100% client-side · No data upload

Text to Encode

Base64 Result

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Use Cases

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Frequently Asked Questions

What is Base64 encoding?

Base64 converts binary or text data into a string of ASCII characters, safe for transmission in text-based protocols.

Is the encoder free?

Yes, completely free with no account required.

Is my data secure?

Yes. Everything runs locally in your browser. Nothing is uploaded.