Microphone Tester
Click “Start test,” allow microphone access, and speak — your mic level and status will appear instantly.
Microphone device
Input level
Waveform
Peak
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Volume
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Clipping
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What Does the Microphone Tester Detect?
The Microphone Tester checks whether your microphone is receiving and transmitting audio correctly through your browser. It uses the Web Audio API and getUserMedia to capture your live input signal without any downloads or extensions. The tool measures your input level in real time, calculates volume in decibels, detects clipping caused by an overpowered signal, and tracks your peak level throughout the session. It also displays a live waveform so you can visually confirm that sound is being picked up. If your mic is muted, disconnected, or set to the wrong device, the tool will immediately show no signal.
Supported Microphones and Devices
This tool works with any microphone that your browser and operating system can recognize. That includes built-in laptop microphones, wired headset mics, USB condenser microphones, XLR microphones connected through an audio interface, wireless Bluetooth headsets, and gaming headsets from brands like HyperX, Razer, Logitech, SteelSeries, and Jabra. It also works with professional audio equipment, webcam microphones, and phone mics when accessing the tool from a mobile browser. As long as your operating system lists the device as an active audio input, the tester will detect and test it.
How To Use This Tool
Open the Microphone Tester and select your preferred input device from the dropdown if you have more than one microphone connected. Click “Start test” and allow microphone access when your browser asks for permission. Once the test begins, speak at your normal volume and watch the input level bar and waveform respond to your voice. The three metric boxes will display your peak level, current volume in decibels, and any clipping events. When you are finished, click “Stop” to end the session and see a summary of your results.
Understanding Your Results
A healthy microphone will show a steady level between 20 and 70 percent when you speak at a normal distance. If the level bar barely moves and the waveform stays flat, your mic may be muted or the gain is set too low in your system settings. A reading that constantly hits 80 percent or above and logs clipping events means your input gain is too high, which causes audio distortion. The decibel reading gives you a precise measure of signal strength, while the peak level shows the loudest point captured during your test. No clipping and a consistent waveform response means your microphone is working correctly.
Frequently Asked Questions
Q: Why is my microphone not detected by the tester?
A: Your browser may not have permission to access the microphone. Check your browser settings and make sure the site is allowed to use your audio input device.
Q: Why is my microphone level showing zero?
A: This usually means the mic is muted at the system level or the wrong input device is selected. Open your sound settings and confirm the correct microphone is set as the active input.
Q: Does this microphone test work on mobile?
A: Yes, the tool works on mobile browsers including Chrome and Safari on both Android and iOS, as long as you grant microphone permission when prompted.
Q: What does clipping mean in the results?
A: Clipping happens when your microphone input signal is too loud for the system to process cleanly, causing audio distortion. Lower your microphone gain in system settings to fix it.
Q: Is my voice recorded or stored anywhere?
A: No. The tool processes your audio entirely within your browser using the Web Audio API. Nothing is recorded, uploaded, or stored at any point.
Q: Why does my microphone work in other apps but not here?
A: Another application may have exclusive control of your microphone. Close apps like Zoom, Discord, or Teams and try the test again.
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