Image Tools
Microphone Tester
Verify audio input levels and view real-time voice waveforms. Fully offline and secure inside your browser.
What is Microphone Tester?
The Microphone Tester checks if your microphone is working. Inspect input volume levels and record test clips to troubleshoot audio problems.
How Does Microphone Tester Work?
It requests audio access using navigator.mediaDevices.getUserMedia, processes input streams, and displays volume waveforms client-side.
How to Use Microphone Tester — Step by Step
- Click 'Start Test' and grant microphone access permissions.
- Speak into the microphone and review the audio waveform.
- Optionally record a 5-second clip and play it back to check sound quality.
- Click 'Stop Test' to release microphone access.
Key Benefits
- Waveform Visualizer: Dynamic audio waves display input frequencies.
- Audio Playback: Record and play back clips to check clarity.
- Local Security: Audio streams are processed locally and are never saved.
Who Uses Microphone Tester?
- Meeting Prep: Test your microphone before joining Zoom or Teams calls.
- Hardware Diagnosis: Check if an external headset microphone is working correctly.
Tips & Best Practices
- Make sure to select the correct microphone device if you have multiple audio inputs connected.
- Ensure that microphone permissions are not blocked in your system's privacy settings.
Common Mistakes to Avoid
- Denying browser microphone access permissions.
- Testing in noisy rooms, which distorts waveform readings.
Microphone Tester — Frequently Asked Questions
No. All microphone streams and audio playbacks are processed locally in your browser and are never uploaded.
Ensure the microphone is plugged in, selected in the browser address bar settings, and not blocked by operating system privacy controls.