Base64 Encoder/Decoder

Encode and decode text using Base64 encoding

Input

Output

Processing happens locally in your browser

About Base64

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It encodes every 3 bytes of binary data into 4 ASCII characters, making it safe for transmission over text-based protocols.

Common Uses

  • • Embedding images in HTML/CSS
  • • Email attachments
  • • Data URLs
  • • API authentication
  • • Storing binary data in text files