A Fortnite Resolution Changer tool—such as the popular AlphaRes on GitHub —is a third-party utility designed to simplify the process of setting a custom "stretched resolution".
Stretching the image horizontally makes player models appear wider, which many find helps with tracking and aiming accuracy. Fortnite Resolution Changer Tool
Competitive players often move away from the standard 1920x1080 resolution for several strategic reasons: A Fortnite Resolution Changer tool—such as the popular
Lowering the total pixel count reduces the load on your GPU, leading to higher frame rates and better stability, especially on low-to-mid-tier PCs. Fortnite Resolution Changer Tool
Current competitive standards suggest these "sweet spot" resolutions: