Fix guides
Fix your microphone or camera
Pick the error, app, device or browser that matches your problem. Every guide has a live check so you can see the fix work.
Browser error codes
Decode the cryptic message your browser shows when a microphone or camera fails, and test the fix live.
NotAllowedError: Permission deniedYour browser says NotAllowedError or Permission denied when using the microphone or camera. Learn what causes it, fix it in minutes and test live.Read guideNotFoundError: Requested device not foundNotFoundError, Requested device not found or No video track available: why the browser sees no microphone or camera, and how to fix it step by step.Read guideNotReadableError: Could not start sourceSeeing NotReadableError or Could not start video source? Another app is probably using the camera or mic. Here is how to free it and test again.Read guideOverconstrainedErrorOverconstrainedError means the camera or microphone cannot meet the requested settings. Learn the causes, the fix for users and developers, and test live.Read guideSecurityError / getUserMedia undefinedSecurityError or "Cannot read properties of undefined (reading getUserMedia)": the microphone and camera need HTTPS. Find the cause and fix it.Read guide
Meeting and chat apps
Check your mic and camera before Zoom, Teams or Discord, and fix the usual settings that break them.
ZoomTest your microphone for Zoom in one click, see your live level and fix a silent or quiet mic before your meeting starts. Free, nothing is recorded.Read guideMicrosoft TeamsCheck your camera for Microsoft Teams in one click, see the live picture and fix a black or missing camera before your call. Private, free, no upload.Read guideDiscordDiscord mic not working? Test your microphone here, then use the checklist to fix input device, sensitivity and permission problems in minutes.Read guide
Devices and hardware
Test the microphone or webcam on your MacBook, iPhone or Logitech camera in one click.
MacBook microphoneTest your MacBook microphone in the browser: see a live level, hear yourself and fix a silent or quiet built-in mic on macOS. Nothing is recorded.Read guideiPhone microphoneTest your iPhone microphone in Safari: see a live level, find which mic is broken and fix the permission or blocked-hole problem. Free and private.Read guideLogitech webcamTest a Logitech webcam such as the C920, C270 or Brio online: see the live picture, resolution and frame rate, and fix a black or blurry image.Read guide
Browsers
Allow the microphone or camera in Chrome, Safari or Firefox and fix a blocked permission.
Chrome webcamTest your webcam on Google Chrome in one click and fix a blocked or black camera: allow permission, pick the right device and free it from other apps.Read guideSafari microphoneFix the Safari microphone on Mac and iPhone: allow it for a website, reset the permission and test your mic live. Step-by-step and private.Read guideFirefox microphoneFirefox not picking up your microphone? Allow the permission, choose the right input and test it live. Quick fixes for Windows, Mac and Linux.Read guide