Many sites offering "cracks" bundle them with keyloggers or ransomware that can steal your passwords.
If you are using the LVGL graphics library, they provide an excellent online image converter that outputs perfect C files for various color depths. image2lcd register code cracked
Cracked versions are often older, buggy builds. If the code generation is slightly off, your LCD will display "garbage" pixels, wasting hours of your debugging time. Many sites offering "cracks" bundle them with keyloggers