QWebTools

Measure your reaction time over 5 rounds and get your average score.

Type math answers while memorizing numbers spoken aloud. A dual-task test with 10 rounds of increasing difficulty to measure your multitasking ability.

Focus on the crosshair and identify arrow directions in your periphery. Tests visual field accuracy across 4 distance tiers.

Identify numbers moving across the screen. Choose from 5 difficulty levels, 5 trials each.

Listen to 4 metronome beats, then tap 8 times at the same tempo. Measure your rhythm accuracy across 5 BPM levels.

Measure your click speed (CPS). Test over 5, 10, or 15 seconds.

Convert mouse sensitivity between FPS games (VALORANT, CS2, Apex, OW, Fortnite, etc.) to match your turn distance.

Estimate your mouse polling rate (Hz) in the browser. Detect 1000/2000/4000/8000Hz.

Check your monitor's refresh rate (Hz) and frame rate (FPS) in the browser.

Estimate your keyboard polling rate (Hz) from input event intervals in the browser.

Browser-based aim training. Click as many targets as possible within the time limit to check your hits and accuracy.

Move the same distance slowly and quickly to estimate mouse acceleration from the difference in movement.

Tracking aim practice. Follow moving targets and measure your kills and accuracy over 30 seconds.

Detect double-click issues (chattering) on your mouse in the browser. Measure click intervals to identify unintended double clicks.

Test your mouse wheel in the browser. Real-time display of scroll direction (up/down/left/right) and count. Useful for diagnosing wheel issues.

Run a full diagnostic on your gamepad in the browser. Test every button, visualize analog sticks, analyze stick drift, and verify rumble motors.

Test your touch screen in the browser. Visualize multi-touch points, measure tap accuracy, and detect pinch gestures.

Estimate your mouse's actual DPI. Calculate effective DPI from physical distance and pixel movement.

Analyze your keyboard's keystroke sounds in real time. View waveform, frequency spectrum, and volume (dB).

Check your microphone input in the browser. Real-time display of volume level (dBFS/0-100), waveform, and frequency spectrum (80Hz-8kHz).

Test your keyboard's simultaneous key press (N-key rollover) in the browser. Shows currently pressed keys and count. Distinguishes Left/Right Shift/Ctrl/Alt/Meta.

Test your speakers, headphones, or earphones for left/right channels, phase, frequency response, bass, and balance in the browser.

Easily measure audio delay and latency from Bluetooth headphones, monitors, and capture cards right in your browser.

Check your monitor or LCD display for dead pixels and stuck pixels in the browser. Fullscreen display of 8 colors + grid + gradient for visual inspection.

Test your webcam in the browser. Real-time display of resolution, FPS, and device name. Snapshot capture, mirror toggle, fullscreen, and quick mic check included.

Calculate PPI (pixel density), pixel size, and display area from your monitor's diagonal inches and resolution.

Visually check your monitor's color accuracy. Gray ramp, RGB ramp, gamma, and near-black/near-white identification tests.

Find the one tile with a different color in the grid. A fun color matching game that gets harder as you level up.

Check your current public IP address, ISP, and geolocation info in the browser. One-click copy included.

Measure HTTP Ping (RTT) from your browser with min/avg/max/jitter stats and a real-time graph.

Measure your internet download speed (Mbps) right in the browser. Quick and easy bandwidth test.