local-only

Mic & Camera Test

Test your microphone and camera before a call.

🔒 local memory only
Initializing Mic & Camera Test in local browser environment…

How to use Mic & Camera Test

  1. Click "Start test" and grant camera and microphone permissions.
  2. Inspect your camera picture and speak into your microphone.
  3. Watch the real-time audio waveform canvas confirm microphone input.
  4. Click "Stop" when finished.

Why use this local-first tool?

  • Real-time audio visualization using Web Audio API AnalyserNode and time-domain sampling.
  • Tests both video feed and audio input levels prior to Zoom, Teams, or Google Meet calls.

Frequently Asked Questions

Does this test record or store my voice?

No. The audio stream is only processed in real time to draw the visual waveform. Nothing is recorded or uploaded.

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