Hardware Calibration
For True Gamers
Your skill is only as good as your gear. Use our suite of raw, hardware-level diagnostic tools to uncover latency, measure speeds, and detect faults in your setup.
MouseHz ↗
Test your mouse sensor's true reporting speed (Polling Rate). Instantly check average and peak Hz to ensure sub-1ms response times.
CPS Test ↗
The ultimate click speed benchmark. Test your Jitter and Butterfly clicking techniques with our highly accurate auto-cheat detection.
Double Click ↗
Detect hardware debounce faults and broken micro-switches in your mouse. Measure your exact manual click interval in milliseconds.
GhostKey ↗
Advanced mechanical keyboard tester. Verify N-Key Rollover (NKRO), detect ghosting issues, and test your WPM typing speed.
ScreenGod ↗
The complete display diagnostic suite. Locate dead pixels, test backlight bleeding, verify color banding, and check touch digitizer faults.
Audio Latency ↗
Bypass browser compensation. Execute raw hardware audio to calculate the exact millisecond lag and stereo balance of your Bluetooth earbuds.
Controller Test ↗
Diagnose stick drift, verify trigger deadzones, and check button actuation for Xbox, PlayStation, and generic PC gamepads.
Why Choose FPSMode?
🔒 100% Private
All diagnostic tests run locally directly inside your browser. No data, keystrokes, or clicks are ever sent to our servers.
⚡ Zero Latency
We use raw hardware APIs (like WebAudio and Canvas) to bypass standard browser lag, giving you true Esports-level accuracy.
💸 Free Forever
No paywalls, no software installations, and no premium features. Everything is completely free for the gaming community.