PC Game Checker – Steam Compatibility

Enter your GPU, CPU, RAM, OS & storage — get instant FPS estimates, settings recommendations & upscaling info for any Steam game.

Stop guessing whether a Steam game will run on your PC. Enter your hardware once — PC Game Checker instantly analyzes every Steam game page and gives you a personalized performance verdict. 🖥️ ENTER YOUR FULL PC SPECS GPU, CPU, RAM, operating system, storage type (NVMe SSD, SATA SSD, or HDD), target resolution, and FPS goal. Set it once, works everywhere. ⚡ PERSONALIZED FPS ESTIMATES Compares the game's requirements against your actual GPU and CPU. Shows a real FPS range calculated for your specific setup — not generic guesses. 🎛️ RECOMMENDED SETTINGS Tells you whether to expect Ultra, High, Medium-High, Medium, or Low-Medium settings based on how your hardware stacks up. 🚫 HARD BLOCKERS — BEFORE YOU BUY Flags real problems that will prevent the game from running properly: GPU below minimum requirements Not enough RAM Game requires SSD but you have an HDD Game requires Windows 11 but you have Windows 10 No Windows version available ⚠️ SMART WARNINGS CPU bottleneck detected SSD recommended but you have HDD Partial or no controller support OS compatibility concerns 🔍 UPSCALING SUPPORT Detects AMD FSR, NVIDIA DLSS, Intel XeSS, and Frame Generation — if your hardware is borderline, upscaling can make a big difference. HOW IT WORKS Click the extension icon and enter your specs — one time only Browse any Steam game page The widget appears automatically in the corner Drag it out of the way or close it anytime PRIVACY Your specs are saved locally in your browser only and never leave your device. The extension makes two read-only requests per page — Steam's public game API and ProtonDB's public ratings API — using only the game's App ID. No personal data is ever collected or shared. This extension is not affiliated with Valve, Steam, or ProtonDB.