Live

Base64 Encode / Decode

Encode or decode Base64 text with UTF-8 support. Handy for tokens, data URLs, and debugging — runs locally.

Private by design. Runs in your browser. We don’t store what you paste.

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How it works

  1. 1Paste text or Base64 into the input.
  2. 2Click Encode or Decode.
  3. 3Copy the output.

FAQ

Does it support Unicode?
Yes. Encoding uses TextEncoder so non-ASCII text works.