You must also create a Custom Resolution in your GPU control panel (NVIDIA Control Panel or AMD Radeon Software) that matches what you put in the config file, or you'll see black bars.
Search (Ctrl+F) for the following lines and change the values to your desired resolution: ResolutionSizeX ResolutionSizeY LastUserConfirmedResolutionSizeX LastUserConfirmedResolutionSizeY Fortnite Stretched Resolution: Best GameUserSet...
Set your GPU scaling to "Full Screen" to ensure the image stretches to fill your monitor. You must also create a Custom Resolution in
Want to get that extra competitive edge? Switching to a in Fortnite can improve your FPS and make player models appear slightly wider, potentially helping with your aim. Fortnite Stretched Resolution: Best GameUserSet...
Used by many pro players. It offers a more noticeable stretch and a significant performance jump for mid-range PCs.