All tools

All Device Tests

Browse free online webcam, microphone, headphone, speaker, keyboard, mouse, screen, gamepad, sensor and internet speed tests. No downloads or registration required.

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42 tools found

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Camera & Audio

Webcam, microphone, headphone, speaker, QR scanning and permission checks.

Display & Input

Screen, refresh rate, touch, keyboard, mouse, controller and stylus tests.

Screen Test

Inspect your display resolution, pixel ratio, orientation, and colour depth, then run full-screen dead-pixel and gradient patterns.

Display & Input

Screen Recording Test

Test whether your browser can record a screen, window, or tab and review a local preview before downloading.

Display & Input

Refresh Rate Test

Estimate your display refresh rate and frame pacing with requestAnimationFrame, including a live stability graph.

Display & Input

Touchscreen Test

Visualize multi-touch points, track simultaneous contacts, and draw over a dead-zone grid.

Display & Input

Keyboard Test

Test every key on your keyboard, see live key codes and modifiers, and detect keys that stick or repeat unexpectedly.

Display & Input

Mouse Test

Test mouse buttons, scroll wheel, double-click, pointer tracking, and estimate polling cadence with clear caveats.

Display & Input

Click Speed Test

Measure clicks per second over a timed run and see your best interval, with a fair-start countdown.

Display & Input

Gamepad Test

Detect connected controllers, visualize buttons and sticks, read axes and triggers, and test rumble where supported.

Display & Input

Stylus and Pen Test

Draw with a stylus, inspect pressure and tilt where available, and compare pen input with mouse input.

Display & Input

Dead Pixel Test

Show full-screen solid colours to check your monitor or phone screen for dead, stuck, or discoloured pixels.

Display & Input

White Screen Test

Fill the entire display with white light to inspect dust, scratches, stuck pixels, and uneven backlighting.

Display & Input

Black Screen Test

Display a full-screen black field to check backlight bleed, IPS glow, and stuck bright pixels.

Display & Input

Double Click Test

Measure the interval between your clicks and check whether your mouse or settings register reliable double-clicks.

Display & Input

Mouse Polling Rate Test

Estimate how many pointer events your mouse delivers per second while you move it across the test pad.

Display & Input

Mouse DPI Test

Estimate your effective mouse sensitivity in pixels per inch using an on-screen calibration ruler and a physical measurement.

Display & Input

Scroll Wheel Test

Check vertical and horizontal scroll wheel input, direction, step counts, and delta values in real time.

Display & Input

Performance

Internet throughput, CPU and GPU load, and battery reporting.

Sensors

Location, motion, orientation and sensor availability.

System

Browser information, capability and feature detection, and permissions.