: Use the fsutil command in an administrative prompt to create a dummy file of any size: fsutil file createnew testfile.txt 1228800 (1200 KB in bytes).
If your goal is to create a text file of a specific size (e.g., 1200 KB): Download 1200 txt
If you don't want to code the feature yourself, several platforms provide instant text file creation and downloading: : Use the fsutil command in an administrative
: Offers specialized online tools to specifically reduce or format files to certain sizes like 1200 KB . How to Create a Dummy Test File of Any Size in Windows Download 1200 txt