Hardware Tests in Your Browser
Focused diagnostics for controllers, mice, keyboards, displays, touchscreens, webcams, and print output — built to show what the browser can actually detect, estimate, render, or open locally.
24 browser tools·no install·no account·local processing
Browser boundaryLocal processing
Choose a tool
Each page does one job and explains what the browser can — and cannot — observe.
Controller
3 tools
Mouse
6 tools
Mouse TesterQuickly check browser-detected mouse buttons, wheel input, and movement.Mouse Button TestCheck primary, middle, secondary, Back/X1, and Forward/X2 button input.Mouse Scroll TestInspect browser-detected up, down, left, and right wheel events.Double Click TestLook for unusually fast repeated same-button presses.Mouse Polling Rate TestMeasure the pointer sample rate observed by this browser.Mouse DPI TestEstimate mouse DPI from net browser movement over a measured physical distance.
Keyboard
3 tools
Display
9 tools
FPS TestObserve this browser page’s frame delivery and recent sampled FPS range.Refresh Rate TestEstimate the display cadence currently visible to the browser.Frame Skipping TestUse a camera-assisted pattern to look for repeatable skipped-refresh gaps.Dead Pixel TestInspect the screen against solid colors for dead or stuck pixels.Backlight Bleed TestInspect a backlit display for bright leakage on a black screen.Monitor TestRun solid colors, gradients, level references, and a grid for guided visual screen inspection.Screen Uniformity TestInspect gray fields for uneven brightness, tint, banding or DSE-like patches.OLED Burn-In TestUse solid colors and gray fields to visually check for persistent image shapes or image retention.Screen Resolution CheckerSee the screen size, viewport, DPR and estimated device-pixel dimensions reported by your browser.
Touch
1 tool
Camera
1 tool
Printer
1 tool