🔁 Base64 Encode / Decode

Convert text to and from Base64. Handles full Unicode (UTF-8) and runs entirely in your browser.

🔒 Runs 100% in your browser. Your data never leaves your device.

How to use

1. Type or paste text or a Base64 string.
2. Click Encode to convert text to Base64, or Decode to convert Base64 back to text.
3. Copy the result.

FAQ

Does it support Unicode and emoji?

Yes, it handles full UTF-8 text, including emoji.

Is my data uploaded?

No. Encoding and decoding run entirely in your browser.

Is it free?

Yes, completely free with no sign-up.

Related tools