OpenToolkit

Base64 Encode / Decode

Developer

Encode text to Base64 or decode Base64 back to text (UTF-8 safe).

Open Base64 Encode / Decode

How to use

  1. Choose Encode or Decode.
  2. Enter your text or Base64 string.
  3. Click Run; use Swap to flip, or Copy output.

Features

  • UTF-8 safe — handles emoji and non-ASCII text
  • One-click swap between encode and decode
  • Copy the result
🔒 Private by design — Base64 Encode / Decode runs entirely in your browser. Your files and text never leave your device.