Base64 Encoder/Decoder

Encode and decode Base64 strings instantly

🔤

Enter text above to encode

About Base64 Encoding

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format. It's commonly used to encode binary data for transmission over text-based protocols like HTTP and email.

Common Use Cases

  • Embedding images in HTML/CSS
  • API authentication tokens
  • Email attachments
  • Data URLs

Features

  • Instant real-time conversion
  • Encode and decode in one tool
  • Copy results with one click
  • Swap input/output easily
  • No file upload required

Safety & Privacy

  • All processing happens in your browser
  • No data is sent to servers
  • Completely private and secure