UtilixWebCode → Base64 Codec

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to encode data for transmission over media designed for text, such as embedding images in HTML, sending email attachments, or encoding API credentials.

Common Uses

  • Encoding images as data URIs in HTML/CSS
  • Transmitting binary data in JSON APIs
  • Email attachment encoding (MIME)
  • Encoding authentication credentials (HTTP Basic Auth)