Device Testing Tools
Every tool runs locally in your browser with zero uploads. Pick a test to check your setup, or run the pre-call checklist to verify everything in under 60 seconds.
Microphone Test
Check input levels, switch mics, and record an 8s playback.
Microphone Clipping Test
Detect clipping/distortion and find safe input gain headroom.
Background Noise Test
Estimate ambient mic noise level and get quick fixes to sound clearer.
Webcam Test
Preview your camera, verify resolution, and mirror view.
Webcam FPS Test
Measure real frame rate and dropped frames to diagnose choppy video.
Webcam Lighting Test
Preview your camera and estimate if your video is too dark or washed out.
Webcam Flicker Test
Check for lighting flicker/banding that makes video look unstable.
Speaker Test
Play left/right channels and adjust output volume safely.
Echo Test (Loopback)
Loop your mic to your speakers/headphones to verify the full audio path.
Keyboard Test
Highlight pressed keys and track simultaneous key presses.
Mouse Test
Verify clicks, scroll, and movement tracking on a canvas.
Screen Test
Cycle fullscreen patterns for dead pixel and color checks.
Browser Test
Confirm WebRTC, getUserMedia, WebGL, cookies, and storage.
Screen Share Test
Test screen sharing permissions and preview resolution/fps before meetings.
Device Check
Detect microphones, cameras, and speakers your browser can access.
Network Test
Measure latency, jitter, and download speed for calls.
Upload Speed Test
Estimate upload bandwidth for video calls with a small, safe upload sample.
Ping & Jitter Test
Measure ping, jitter, and packet loss with lightweight requests.
Pre-Call Checklist
Run all critical tests in under a minute before joining.
Why Use Our Tools?
Built for reliability and privacy
Instant Results
Get immediate feedback on your device status without waiting
100% Private
All tests run locally in your browser. No data leaves your device
Works Everywhere
Compatible with Chrome, Firefox, Safari, and Edge browsers
Need to test everything?
The pre-call checklist runs all critical tests in under 60 seconds. Perfect before important meetings.
Start Pre-Call Checklist