Free PC Testing Tools
11 free browser-based tools to test, diagnose, and benchmark your mouse, keyboard, monitor, and audio setup. No downloads, no account, no ads — just instant results.
10+
Free tools
0
Downloads needed
No
Account required
100%
Browser-based
Mouse Tools
5 tools
Reaction Time Test
Measure your gaming reflexes in milliseconds. See how you compare to pro gamers.
Mouse Polling Rate Test
Check your mouse's actual Hz — 125Hz, 500Hz, 1000Hz, or higher.
Mouse Button Tester
Test all mouse buttons including side buttons, scroll click, and DPI button.
Scroll Wheel Tester
Diagnose scroll wheel issues — skipping, double-scroll, wrong direction.
CPS Test
Clicks-per-second test. Measure your click speed across 1s, 5s, and 10s intervals.
Keyboard Tools
2 tools
Monitor Tools
3 tools
Dead Pixel Test
Full-screen colour tests to find dead, stuck, and hot pixels on any monitor.
Refresh Rate Test
Verify your monitor's actual refresh rate — confirm 144Hz or 240Hz is active.
Aspect Ratio Calculator
Calculate the correct aspect ratio for any resolution or resize images proportionally.
Audio Tools
1 tool
Browse by Problem
My mouse feels laggy
Mouse Polling Rate Test
I want to improve my aim
Reaction Time Test
Keys not registering
Keyboard Tester
Dark spots on my screen
Dead Pixel Test
144Hz not feeling smooth
Refresh Rate Test
Scroll wheel skipping
Scroll Wheel Tester
Mouse clicks not registering
Mouse Button Tester
Headphone channel imbalance
Headphone Test
Want to know my typing speed
Typing Speed Test
Guides to Help You Get the Most from Your Setup
Mouse Polling Rate Explained
Why 1000Hz matters and when to upgrade
Keyboard Ghosting Guide
12 keyboards tested — full rollover data
What Is eDPI?
Pro player database + how to find your ideal sensitivity
Dead vs Stuck Pixels
ISO 13406-2 standards + fix guide
Audio Latency Guide
12 headsets tested — Bluetooth vs wired vs 2.4GHz
N-Key Rollover Explained
NKRO vs 6KRO — what you actually need