Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 back to text, with full UTF-8 support.

About this tool

Base64 represents data as plain text. It is common in APIs, email attachments and data URLs.

How to use Base64 Encoder & Decoder

  1. Paste text or a Base64 string.
  2. Click Encode or Decode.
  3. Copy the output.

Frequently asked questions

Is Base64 encryption?

No. Anyone can decode it, so never use it to protect secrets.

Does it handle emoji and accents?

Yes. Text is converted with UTF-8 before encoding.