Base64 Encode / Decode

Encode text to Base64 or decode it back — UTF-8 safe.

100% private — runs entirely in your browser. Your data is processed on your device and never sent to the internet.

About this tool

This free Base64 encoder / decoder converts text to and from Base64. It is UTF-8 safe, so emojis and accented characters work correctly. Handy for data URLs, config files and APIs.

Everything runs in your browser — nothing is uploaded.

How to use it

  • Paste your text (or Base64) into the box
  • Encode or Decode with the buttons
  • Copy the result

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