After exploring my previous inquiry on How to reconstruct a blob for an image from a binary string (client side hidden form field) in Google Apps Script, I delved deeper and realized that my main query is about how to generate a file in Google Drive with precise values for each byte of the file.
While the DriveApp.createFile function accepts blobs, I am uncertain about where to begin if I intend to create a file with every byte being 0x89, 0xFF, 0x99,...