DeviceOK
Browser-first device diagnostics

Test it.
Find what’s wrong.
Fix it.

DeviceOK turns live browser tests into evidence: check the component, understand what failed, follow the right fix, then retest.

Check my deviceTest one component
✓
Camera detectedLive video path available
!
Microphone needs attentionDetected, but no meaningful signal
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Next: diagnose the micStart with mute, input selection, and permissions

Popular live tests

Run real checks against the inputs and outputs your browser can access.

All 78 tests →
Mic testCheck whether your browser can detect your microphone and receive live audio.Mic levelSee a live input level meter and identify audio that is too quiet or clipping.RecorderRecord a short clip locally and play it back to verify your microphone path.No-sound testCheck whether a detected microphone is producing effectively no input.Meeting micRun a quick microphone readiness check before a Zoom, Meet, Teams, or Discord call.Webcam testOpen your webcam locally to verify that the browser can access and display a live camera stream.ResolutionCheck the active video track resolution your browser receives from the camera.Camera FPSEstimate the actual delivered webcam frame rate.Camera permissionCheck whether browser camera permission is available, blocked, or awaiting a prompt.Meeting cameraRun a camera readiness check before a video meeting.Keyboard testPress keys and verify that the browser receives the expected keyboard events.NumpadVerify numeric keypad input and Num Lock-sensitive keys.

Check a whole setup

Guided workflows connect multiple tests into a practical inspection.

All checks →

Complete Device Check

Run a practical browser-first check of the main input, output, display, and camera components available on this device.

7 checks · Anyone who wants a broad device health check

Meeting Ready Check

Check camera, microphone, speakers, and browser access before a Zoom, Teams, Meet, Discord, or browser call.

4 checks · Remote work, interviews, classes, and calls

Gaming Setup Check

Check the inputs and display features that matter most before gaming.

5 checks · PC and browser gamers

Used Laptop Check

Inspect the browser-testable parts of a used laptop before buying or accepting it.

6 checks · Used and refurbished laptop buyers

New Laptop Check

Verify key components early in the return window.

6 checks · New laptop owners

New Monitor Check

Check visible panel defects, gradients, sharpness, and refresh behavior while returns are still easy.

5 checks · New monitor and display buyers

New Controller Check

Check buttons, sticks, triggers, drift, and analog range before the return window closes.

5 checks · Gamepad and controller buyers

Creator Setup Check

Verify the browser-testable audio and video path before streaming, recording, or creating content.

5 checks · Streamers, podcasters, creators, and remote presenters
Local where possible

Camera, microphone, keyboard, mouse, controller, and display test data is designed to stay in your browser.

Evidence before fixes

A passing live test can rule down the problem before you touch drivers, firmware, or hardware.

No driver downloads

DeviceOK never rehosts random drivers or firmware. Risky updates route to official vendor sources.