Hardware Tools
Browser-based tools to check your display, input devices, network connection, and device utilities.
Display & Screen
Dead Pixel Fixer
Attempt to fix dead pixels by cycling colors. Run the browser-based check and follow its prompts to review the result.
Dead Pixel Tester
Test your screen for dead or stuck pixels. Run the browser-based check and follow its prompts to review the result.
Full Screen Colors
Display full-screen solid colors for monitor calibration. Run the browser-based check and follow its prompts to review the result.
Refresh Rate Test
Test your monitor's refresh rate. Run the browser-based check and follow its prompts to review the result.
Screen Bleeding Test
Check for backlight bleed on your display. Run the browser-based check and follow its prompts to review the result.
Screen Size Checker
Check your screen's physical size and resolution. Run the browser-based check and follow its prompts to review the result.
Screen Tester
Run a comprehensive screen test. Run the browser-based check and follow its prompts to review the result.
Viewport Size Checker
Check browser viewport dimensions. Run the browser-based check and follow its prompts to review the result.
Aspect Ratio Tester
Test and identify your display's aspect ratio. Run the browser-based check and follow its prompts to review the result.
Input & Performance
FPS Tester
Measure your browser's rendering frames per second. Run the browser-based check and follow its prompts to review the result.
Keyboard Tester
Test if all keyboard keys are working correctly. Run the browser-based check and follow its prompts to review the result.
Mouse Polling Rate
Measure your mouse's polling rate in Hz. Run the browser-based check and follow its prompts to review the result.
Mouse Tester
Test mouse buttons and scroll wheel. Run the browser-based check and follow its prompts to review the result.
Reaction Time Test
Measure your reaction time. Run the browser-based check and follow its prompts to review the result.
Multitouch Tester
Test your screen's multitouch capabilities. Run the browser-based check and follow its prompts to review the result.
Network & Internet
Device Utilities
Battery Status Checker
Check your device's battery status and level. Run the browser-based check and follow its prompts to review the result.
Device Orientation Tester
Test device orientation sensors. Run the browser-based check and follow its prompts to review the result.
Geolocation Tester
Test your device's GPS and geolocation. Run the browser-based check and follow its prompts to review the result.
Online Ruler
A calibrated on-screen ruler for measurements. Run the browser-based check and follow its prompts to review the result.