Convert excel file to csv file

install

sh cargo install hex_dump

```bash hex_dump read print and modify binary file

USEAGE: hexdump hexdump Example: hexdump demo.txt => Display hex hexdump demo.txt 00000020 11 25 => Modify that hex value of address is 00000020 and 11th column to 23 hex_dump file.zip 00000000 6 00 => Repair Fake Encrypted zip file ```