Free Online Tool

Base64 Converter

Convert short text to Base64 or decode Base64 values back to readable text.

The result will appear here.

Your input is not sent to a server and is processed only in your browser.

How to Use

  1. Enter text or Base64.
  2. Choose encode or decode.
  3. Copy the result.

Examples

  • Encode hello to aGVsbG8=
  • Decode a Base64 API sample

Calculation and Conversion Notes

Text is encoded to Base64 using UTF-8. Base64 values are decoded back to UTF-8 text. Invalid Base64 input cannot be decoded and is shown as an error.

FAQ

Does Base64 Converter save my input?

No. Your input is not stored on a server. Supported actions run in your browser.

Can I use it on mobile?

Yes. The pages are responsive and work on desktop and mobile browsers.

Can I rely on the result?

Use the result as a quick reference. Important work should be checked separately.

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