Text Case Converter is a simple yet powerful app that allows you to convert any text to lower case, upper case, proper case, or sentence case with ease. Key Features: ✔ Simple & Easy to Use: One-click display calibration. ✔ Uniform Pixel Calibration: Ensures all pixels are calibrated evenly. ✔ Enhanced Touchscreen Resolution: Improves screen clarity and responsiveness. ✔ Lightweight: Minimal impact on device performance. ✔ Free to Use: Access all features at no cost. ✔ User-Friendly Interface: