FormatForge

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text. Works entirely in your browser.

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII text. It's commonly used for:

  • - Embedding images in HTML/CSS (data URIs)
  • - Encoding data for URL transmission
  • - Email attachments (MIME)
  • - Storing binary data in JSON/XML
  • - JWT token encoding