CH 02 · Camera
Test webcam mic
Check your camera and microphone together, then play a short tone for your microphone to hear. Start the test to see whether your device is ready for a call; nothing leaves your device.
- --CameraWaiting for the camera.
- --MicrophoneWaiting for the microphone.
- --SpeakersNot checked yet. Play the tone to see whether the microphone hears your speakers.
The speaker check plays a short, quiet tone at 1000 Hz. Set the volume to the middle first.
What this test checks
This test checks the camera and microphone together, then checks whether your speakers can play a tone that your microphone can hear. That echo check also shows whether audio output works. The page combines these checks into one verdict for a call and tells you what to fix first.
This is useful as a pre-call check when you want to test webcam mic before joining. It checks the camera picture, microphone level and the path from speaker to microphone. It does not check how your voice sounds to another person on a call.
What each reading means
The camera reading shows whether the page can display a live image from your camera. If you see your image, the camera check is working. If no image appears, the camera check has not passed.
The microphone level shows how loud the sound reaching the microphone is while the test listens. Speak normally and look for the level to respond. A level that does not respond can mean the microphone is not sending sound to the page, or that the room is too quiet for the reading to change.
During the echo check, the page plays a short tone from your speakers and listens for it through your microphone. Hearing the tone in the check means the speakers played sound and the microphone picked it up. The final verdict says whether the checks are ready for a call and identifies what to fix first if one does not pass.
How the call verdict is set
The test compares its readings with requirements published by Zoom, Microsoft Teams and Google Meet. When those services do not publish a requirement for a check, the page uses a rule described on its methodology page.
The verdict is a practical check of the camera, microphone level and speaker-to-mic path for a call. It cannot promise that every call will work, because the result depends on the device and the setup you use when you join.
When a result is bad
If the camera image is missing, the microphone level does not respond, or the tone is not picked up, the verdict will show what needs attention first. Check that the device you want to use is connected and selected for the test, then run the check again.
For microphone trouble, this page links to a microphone fix guide. Follow that guide for next steps, then repeat the test to see whether the reading changes.
Browser support
| Browser | Runs |
|---|---|
| Chrome and Edge on a computer | Yes |
| Firefox on a computer | Yes |
| Safari on a Mac | Yes |
| Safari on iPhone | Yes |
| Safari on iPad | Yes |
| Chrome on Android | Yes |
| Samsung Internet | Yes |
| Browsers inside apps | PartlyMany apps block the camera and mic here: open the page in your browser. |
Source: MDN browser-compat-data 8.1.8 · checked November 6, 2026
Questions
How do I test my webcam and mic before a call?
Start this test to check the camera image and microphone level together. It then plays a short tone through your speakers for your microphone to hear, and gives one call readiness verdict.
Why does the microphone level not move?
The page may not be receiving sound from the microphone, or the room may be too quiet for the reading to change. Speak normally during the test. If it still does not respond, use the microphone fix guide linked on the page.
What does the speaker-to-mic echo check do?
The page plays a short tone through your speakers and listens for that tone through your microphone. A detected tone shows that the speaker output and microphone pickup both worked in this check.
Does a ready verdict mean my call will definitely work?
No. The verdict checks the camera, microphone level and speaker-to-mic path against published call app requirements where available, and a stated site rule where they are not. Your call setup may differ from the setup used for this test.
Is this a test of my hearing?
No. It checks whether your device plays a tone and whether the microphone picks it up. It does not measure hearing or tell you about hearing health.
What should I do if the test says my microphone needs attention?
Use the microphone fix guide linked from the page for next steps. Then run the test again and check whether the microphone level responds and the verdict changes.