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Base64 Encoder/Decoder

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Base64 Online Tool Instructions

What is Base64?

What is Base64?

Base64 is an encoding method that represents binary data using 64 printable characters, commonly used for representing, transmitting, and storing binary data in text-based environments. Base64 converts binary data into printable ASCII characters, ensuring data integrity during transmission.

Common Use Cases

Common Use Cases

  • Embedding binary files like images and audio in HTML (Data URI scheme)
  • Safely transmitting binary data in URLs, avoiding special character issues
  • Encoding email attachments (MIME format)
  • Simple encoding of sensitive data (Note: not encryption)
  • Including binary data in XML and JSON
Tool Features

Tool Features

  • Convert between text and Base64 encoding
  • Support for multiple character encodings including UTF-8
  • Convert files to Base64 (images, PDFs, etc.)
  • Convert Base64 back to downloadable files
  • Quick copy results to improve workflow efficiency
Usage Tips

Usage Tips

Base64 encoded data is typically about 33% larger than the original data. Please note that encoding large files may cause performance issues. This tool performs all operations in your browser and does not upload your data to any server, ensuring data security.