Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to readable text. Fast and secure.

What is Base64 Encoding?

Base64 is an encoding scheme that converts binary data into ASCII text format using 64 different characters. It's widely used in web development for embedding images in CSS/HTML, transmitting data over APIs, and encoding email attachments.

Our Base64 encoder/decoder lets you quickly convert between plain text and Base64 format. All conversions happen in your browser for maximum privacy and security.

Base64 Converter

What is Base64?

Base64 is an encoding scheme that converts binary data into ASCII text format. It's commonly used for embedding images in HTML/CSS, transmitting data over text-based protocols, and encoding email attachments.

Common Uses

  • • Embedding images in CSS/HTML as Data URIs
  • • API data transmission and JSON payloads
  • • Email attachments (MIME encoding)
  • • Storing binary data in databases
  • • JWT tokens and authentication
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