Base64 Encoder / Decoder

Free online Base64 encoder and decoder. Convert text to Base64 and decode Base64 strings instantly. Support for file upload and instant conversion.

Text to Encode

Encoded Base64

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It’s commonly used to:

  • Embed image data in CSS or HTML
  • Send binary data in API responses
  • Encode email attachments
  • Store binary data in text-based systems

Common Use Cases

  • Creating data URIs for images
  • Encoding binary files for transmission
  • Working with JWT tokens
  • Storing binary data in JSON
  • Email attachments encoding

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