Pre-Call Device Checker is a Chrome add-on designed to facilitate quick testing of audio and video devices before online meetings. This free tool allows users to verify the functionality of their camera, microphone, and speakers through an easy-to-use interface. It supports multiple platforms, including Google Meet, Zoom, Microsoft Teams, and Discord, making it versatile for various meeting environments. Users can perform a live video preview for camera testing, monitor audio levels in real-time for the microphone, and play a test tone to ensure speakers are functioning properly.

This add-on prioritizes user privacy, operating entirely locally without recording or tracking activity. It requires no internet connection and automatically stops when the popup is closed, providing a secure testing experience. Ideal for troubleshooting audio/video issues, the Pre-Call Device Checker is perfect for pre-meeting checks, ensuring that users can join their meetings with confidence.