Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text — UTF-8 safe, runs entirely in your browser.

How it works

  1. Paste your text or Base64 into the input box.
  2. Click Encode or Decode to convert it.
  3. Copy the result from the output box.

Frequently asked questions

Does this handle emoji and accents?

Yes — it's UTF-8 aware, so multi-byte characters encode and decode correctly.

Is my text sent anywhere?

No — everything runs in your browser.

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