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File header modification

File header modification

The file header modification tool can modify the first 4 bytes of data in the file to achieve simple encryption of the file.

Function introduction

Because of most file formats, the first few bytes are the "magic number" used to determine whether the file is legal. If the first 4 bytes are modified, the file usually cannot be used.

What is a file header?

The file header is a piece of data located at the beginning of the file that undertakes a certain task, usually at the beginning. As a carrier file containing functional functions and data interface declarations, the header file is used to save the declaration of the program, while the definition file is used to save the implementation of the program.

Version: v1.0 green version | Update time: 2017-09-28

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File header modification comments

  • 1st floor Huajun netizen 2017-07-10 02:33:41
    File header modification is very useful, thank you! !
  • 2nd floor Huajun netizen 2021-09-09 11:56:23
    The file header modification interface design is easy to use and has rich functions. I highly recommend it!
  • 3rd floor Huajun netizen 2021-01-02 04:27:09
    File header modification is awesome! 100 million likes! ! !

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