Online Microphone Tester
Quickly test your microphone and view audio waveforms and quality metrics in real time. Runs entirely in your browser to protect your privacy.
Audio waveform will appear here
Real-time Testing
Instantly view microphone input with real-time waveform visualization for quick issue detection.
Quality Analysis
Analyze key metrics including volume, clarity, background noise, and latency.
Privacy Protection
All processing happens locally in your browser. Audio data is never uploaded to servers.
How to Use
Select Device
Choose the microphone device you want to test from the dropdown menu
Grant Permission
Click "Start Test" and allow the browser to access your microphone
Speak Test
Speak into the microphone and view the waveform and audio metrics
Supported Browsers & Devices
TestMic.Online works on all modern browsers and devices
Browsers
Compatible Devices
For the best experience, we recommend using the latest version of your browser.
Common Issues & Quick Fixes
Having trouble? Here are the most common solutions
Permission Denied
Click the lock icon in your browser's address bar and allow microphone access, then refresh the page.
No Microphone Detected
Check if your microphone is properly connected. For USB mics, try a different port. Restart your browser after connecting.
Low Volume
Increase microphone volume in your system settings. Move closer to the microphone (15-30cm is ideal).
No Sound Detected
Ensure the microphone isn't muted. Check system sound settings and select the correct input device.
For more detailed troubleshooting, visit our complete guide
Works Great Before Calls, Meetings & Streaming
Use this microphone checker before your next session
Test your mic now — it only takes a few seconds