Pre-Call Device Checker

Quick camera, microphone, and speaker test before online meetings

ProductivityPrivacy-FocusedLightweight

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Features

Camera Test

Live video preview to verify your camera works perfectly

Microphone Test

Real-time audio level indicator to check your mic

Speaker Test

Play a test tone to verify audio output quality

Device Detection

Lists all available cameras, microphones, and speakers

Perfect for

Pre-meeting device checks
Troubleshooting audio/video issues
Quick verification before interviews
Testing after system updates
Daily standup preparations

Privacy

No recording or storage of any data
No internet connection required
No analytics or tracking whatsoever
100% local processing on your device
Auto-stops when popup closes

How to use

1First time: Grant camera/microphone permissions (one-time setup)
2Click the extension icon in your browser
3Test your camera, microphone, and speakers
4Join your meeting with confidence!

About

Test your camera, microphone, and speaker before joining any online meeting (Google Meet, Zoom, Microsoft Teams, Discord, etc.). This extension provides a quick and reliable way to ensure all your devices are working correctly before important calls.

Simple, lightweight, and privacy-focused. No recording, no tracking, everything runs locally on your device. Perfect for remote workers, students, and anyone who relies on video conferencing.