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Base64 Encode / Decode

Encode text to Base64 format or decode Base64 strings back to readable text.

Base64 Encoder/Decoder

Result

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used for encoding data that needs to be stored or transmitted as text, such as email attachments, images in CSS, or API data.

How Base64 Works

Base64 encoding takes 3 bytes (24 bits) of binary data and converts them into 4 ASCII characters. Each character represents 6 bits of the original data. This makes the data 33% larger but ensures it's safe for text-based transmission.

Common Uses

  • Encoding binary data in text formats
  • Embedding images in HTML/CSS
  • Encoding credentials for HTTP Basic Authentication
  • Storing binary data in JSON or XML
  • Encoding data for URLs (with URL-safe variant)

Our tool provides both encoding and decoding functionality, making it easy to work with Base64 data in your applications.

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