‹ All tools
Text

🔣 Base64 Encoder/Decoder

Encode or decode Base64 strings

Loading interactive base64 encoder/decoder…

About the Base64 Encoder & Decoder

Encode any text or string into Base64, or decode a Base64 string back to plain text. Useful for data URIs, basic auth headers, debugging and quick encoding tasks.

Everything runs in your browser. No inputs are uploaded, logged or stored on our servers.

How it works

  1. Paste plain text or a Base64 string.
  2. Pick encode or decode.
  3. Copy the result.

What you'll learn

  • Why Base64 is used to transmit binary data over text channels.
  • Why Base64 is not encryption.

FAQs

Is Base64 secure?
No. It is an encoding, not encryption. Anyone can decode it.

More text tools

Or browse all 50+ MilkBox tools.