Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to text. Supports file upload and download functionality.

Text to Encode

Choose mode and enter the text you want to encode to Base64.

About Base64

Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation.

Common Uses:

  • Email attachments
  • Data URLs in web pages
  • Storing binary data in JSON
  • Basic authentication headers
  • Image and file encoding

Features:

  • Fast encoding/decoding
  • File upload support
  • Error handling
  • Copy to clipboard
  • Download results