Encode to Base64

Encode any text to Base64 instantly — free online tool with no login. Just type or paste your input and get the Base64 output immediately. Ideal for HTTP Basic Auth, data URIs, and API integrations. No server, no upload, fully private.

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

Solve real user problems
Save time instantly
Improve productivity

Frequently Asked Questions

When do I need to encode to Base64?

Common uses include HTTP Basic Auth headers, embedding images in HTML/CSS, and encoding JSON payloads.

Can I encode special characters?

Yes. The tool handles UTF-8 text including emoji and non-Latin characters.

Is it free?

Free with no signup.