Base64 Encoder & Decoder

Easily encode plain text into Base64 format, or decode Base64 strings back to plain text. 100% free and works locally in your browser.

How to Use

  1. 1Select whether you want to Encode or Decode.
  2. 2Paste your text into the left input box.
  3. 3Click the Convert button.
  4. 4Copy your resulting text from the right output box.

Why Use This Tool

  • Supports full UTF-8 character encoding (emojis, foreign characters).
  • Processes everything entirely on your device for absolute privacy.
  • Fast, free, and no limits.

Privacy & Security Guaranteed

Your files and data are processed securely. Where possible, processing is done entirely locally within your browser. We do not store your data or upload it to external servers without strict automatic deletion policies.