Base64 Encode/Decode

Encode and decode Base64 (UTF-8 safe) — entirely in your browser.

How it works

  1. Choose Encode or Decode.
  2. Paste your text or Base64 string.
  3. Convert and copy the result.

Frequently asked questions

Is my text uploaded?
No. Encoding and decoding run entirely in your browser.
Does it support Unicode?
Yes — text is handled as UTF-8, so emoji and non-Latin scripts encode/decode correctly.