Whether you are about to join a video call, start a recording, or go live on a stream, a quick microphone and webcam check can save you from technical problems. Instead of searching for a testing tool every time, you can run a mic and camera test directly from your browser toolbar.
Why a Chrome Extension Helps
Opening a website to test your microphone or webcam works well, but it takes extra steps — especially when you are in a hurry before a meeting. A Chrome extension puts both tests one click away. No new tabs to search for, no bookmarks to remember. Just click the icon in your toolbar and see if your devices are working.
This is especially useful for people who test their audio and video frequently, such as remote workers, content creators, or online teachers.
Microphone and Webcam Test in One Extension
The Chrome extension combines both a microphone test and a webcam test in a single popup. It includes two tabs:
- Microphone test — Detects your mic input and shows a real-time audio level indicator so you can confirm your microphone is picking up sound.
- Webcam test — Requests camera access and displays your live video feed so you can verify your camera is working and properly framed.
You can switch between the two tabs instantly. The extension runs entirely in your browser, so no data leaves your device. Install it from the Chrome Web Store and it is ready to use in seconds.
Works Across Operating Systems
Because the extension runs inside Chrome, it works on any operating system where Chrome is available:
- Windows
- macOS
- Linux
- ChromeOS
There is nothing extra to install beyond the extension itself. As long as your browser can access your microphone and camera, the test will work.
Test Your Mic and Webcam Online — MicTesting123 (Mic Testing 123)
If you prefer not to install an extension, or if you use a browser other than Chrome, you can run the same tests on the website. MicTesting123 (aka mic testing 123) offers both tests free in your browser.
Use the microphone test to check your mic input and audio levels. Then open the webcam test to verify your camera feed. Both tools work in Chrome, Edge, Firefox, and Safari on any operating system.
Conclusion
A quick device check before a call or recording can prevent frustrating audio and video problems. Install the Chrome extension for one-click testing, or use the test microphone online and webcam test anytime you need to verify your devices.