All Free Tools

Mic Test

Real-time microphone level, clipping detection, and device switcher.

Speaker Test

Play L/R test tones and verify stereo audio output.

Headphone Test

Check channel balance, driver health, and audio routing.

Webcam Test

Live camera preview with resolution, FPS, and aspect ratio.

Webcam FPS Test

Real-time FPS counter with min/max/avg stats and history graph.

Camera Resolution Test

Find your webcam's exact resolution, FPS, and aspect ratio.

White Noise Generator

Generate white, pink, or brown noise for focus or sleep.

Hearing Test

Check your hearing range across frequencies from 20 Hz to 20 kHz.

Screen Color Test

Test your display with solid color screens to spot dead pixels.

Keyboard Test

Every key highlighted in real time. Detects stuck keys and NKRO.

Mouse Test

Test clicks, scroll wheel, and cursor position tracking.

Gamepad Test

All buttons, axes, and rumble tested via the Gamepad API.

Touchpad Test

Tap, scroll, and gesture detection for laptop trackpads.

Touch Screen Test

Multi-touch, draw accuracy, and dead zone detection.

Vibration Test

Test phone or gamepad vibration motor via the Vibration API.

Zoom Test

Pre-meeting mic, speaker, and camera check with Zoom-specific tips.

Google Meet Test

Pre-call check with Chrome permission and Meet audio guidance.

Teams Test

Pre-meeting check with Teams-specific audio device guidance.

OBS Mic Test

Mic gain and noise floor check before going live on OBS.

Permission Check

Instantly see if your browser has granted mic and camera access.