Base64 Encoder/Decoder

Bidirectional conversion between text and Base64 encoding with instant processing.

Maximum 100,000 characters

Click 'Convert' button to start processing

What is Base64?

Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format. It is commonly used for transmitting data over media that are designed to deal with textual data.

Use Cases:

  • Email attachments (MIME)
  • Embedding images in HTML/CSS
  • URL-safe data transmission
  • Basic authentication headers