Lossless Scaling is a screen scaling and frame generation utility. Originally designed to upscale older games or pixel-art titles to modern resolutions without blurring (hence "lossless"), it has evolved into a monster tool for frame generation.
The story of "lossless scaling" on GitHub is one of a community turning a paid Windows tool into a universal performance "cheat code" for everything from high-end PCs to the Steam Deck. While the core Lossless Scaling application is a paid utility on
The "hot" (meaning recent and pirated) downloads of the $7 Steam version often end up on GitHub releases or forks. Users search for these to bypass the Steam paywall. These are frequently flagged by Windows Defender as HackTool:Win32/Keygen or contain malware.
github.com/Cindirbee/lsfg (Note: The repo name or owner sometimes changes; always verify the link from the official Steam page or the developer's profile).