Generate Random Binary Files

Random Binary File Generator

Random Binary File Generator

Introduction: The Generate Random Binary Files is a web-based tool designed to generate random binary files of a specified size. It's useful for various purposes such as testing file transfer systems, creating sample binary data for analysis, or generating random binary files for experimentation.

Steps to Use:

  1. Access the Tool: Open the Random Binary File Generator webpage in any modern web browser.
  2. Generate Binary File: Click the "Generate Random Binary File" button on the webpage.
  3. Download File: The tool will automatically download a randomly generated binary file named "random_binary_file.bin".


  • Custom File Size: You can adjust the size of the generated binary file by modifying the fileSize variable in the code. By default, it generates a 1 MB file.
  • Random Byte Generation: The tool generates random bytes (values from 0 to 255) to fill the binary file.


  • Flexibility: Generate binary files of varying sizes to suit your testing or analysis needs.
  • Efficiency: Quickly create random binary files without the need for specialized software or tools.
  • Versatility: Use the generated binary files for testing file handling systems, analyzing binary data, or any other application requiring random binary data.


  1. Can I adjust the size of the generated binary file?
    • Yes, you can modify the fileSize variable in the code to specify the desired size in bytes. For example, to generate a 2 MB file, set fileSize to 2 * 1024 * 1024.
  2. Is the generated binary file suitable for testing file transfer systems?
    • Yes, you can use the generated binary files to test file transfer systems or any application that deals with binary data.
  3. Can I change the file name of the downloaded binary file?
    • Yes, you can modify the code to change the default file name "random_binary_file.bin" to any desired name before triggering the download.