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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to text

About Base64 Encoding

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used when there is a need to encode binary data that needs to be stored and transferred over media designed to deal with text.

Common use cases include:

  • Embedding small images or other binary data directly in HTML, CSS, or JavaScript
  • Encoding binary files for email attachments
  • Storing complex data in JSON or XML
  • Basic obfuscation of data (though not secure encryption)

Note that Base64 encoding increases the size of the data by about 33% compared to the original binary data.

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