Create HEX in Notepad Step Click the 'Start' button and choose 'Programs,' 'Accessories,' then 'Notepad.' Doing so will open the Windows notepad text-editing program.
On-line file to hexadecimal array converter. File: or drop file here Options: Use 0x and comma as separator (C-like) Insert newlines after each 16B.
Step Type in your code in hexadecimal format. Hexadecimal represents numbers in base 16 format, with values ranging from the digits 0 through 9 to the characters A, B, C, D, E and F, which respectively represent the numbers 10, 11, 12, 13, 14 and 15. Step Click 'File,' then 'Save As' to save the text file to your hard drive. Choose the file extension HEX instead of the typical Notepad extension TXT. Doing so will allow any program that reads data from HEX files to read your hexadecimal code. Create HEX in HexEdit Step Download Ohio State University's free HexEdit program (see Resources).
HexEdit allows you to create and modify HEX files while simultaneously viewing the ASCII equivalent of your code in another program window. Step Double-click the downloaded HexEdit EXE file to run the program.
Step Click 'File,' then 'New' to create a new HEX file. Step Type in your code into the program in either hexadecimal format or ASCII format. Press the tab button to shift between the middle window, which shows values in hexadecimal format, and the right window, which shows values in ASCII format.
Step Click 'File,' then 'Save' to save your file in HEX format.