Mic Check

Can you hear me?
🔒 100% Private — No data leaves your browser
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Test Your Microphone

Check if it's working, fix it if it's not

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Studio
Pro audio monitoring
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Privacy Check
Is my browser listening?

🔒 100% Private: No audio recorded. No data sent. No cookies.

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Microphone Test
Checking your microphone...
Toggle microphones to monitor: Checking...
⏳ Detecting microphones...
Test Result
System
Browser Support
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Permission Status
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Microphone Detection
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Device
Microphone Access
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Audio Signal
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Signal Quality
Background Noise
Waiting for audio signal test
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Voice Level
Waiting for noise test
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Microphone Level Check
Are you loud enough to be heard clearly?

Are people saying you're too quiet in calls? This test diagnoses common issues like stereo misconfiguration, insufficient signal, and background noise.

ℹ️ What this test does

We check if your mic provides enough signal for browser apps to work with. Most apps (Google Meet, Zoom web, Discord) use Auto Gain Control (AGC) which automatically adjusts your volume.

Common issues we detect:

  • Stereo misconfiguration — A mono mic set as stereo causes 50% volume loss in some browsers
  • Signal too weak — Even AGC can't compensate if gain is too low
  • Background noise — Makes it hard for others to hear you clearly

If issues are found: Our upcoming Gain Staging guide will help you optimize your hardware and OS settings for the best results.

For desktop apps: If you use Discord, OBS, or streaming software, use the Studio page to test with processing off and measure your raw levels against broadcast standards (-14 to -16 LUFS).

Technical note: We measure LUFS per ITU-R BS.1770-4 — the same standard used by Spotify, YouTube, and broadcast tools. This includes K-weighting filters (for perceptual accuracy), 400ms integration windows, and two-stage gating (to ignore silence). Algorithm structure informed by goepfert/loudness_adaption_demo.

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00:00
Ready
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Grant microphone access to start monitoring

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Browser Microphone Privacy Check
Understanding what your browser exposes
🔄 How to reset microphone permissions
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Good to know
  • Permission ≠ listening. Granting permission lets a site request your mic — it doesn't mean it's recording.
  • Browsers show when mic is active. Look for a red dot or microphone icon in your tab/address bar.
  • Permissions are per-site. Each website has its own permission setting.
  • Closing the tab stops access. No website can listen when you're not on it.