Pre-Call Device Checker

by https://www.mafuzur.com/extensions/pre-call/ · mafuzur.com · Communication

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Quick camera, microphone, and speaker test before online meetings

Users

+5 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#175K

#146K among extensions

Version

1.0.2

updated 30 Jan 2026

Users

monthly, 9 months

Latest, 15 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Pre-Call Device Checker

Test your camera, microphone, and speaker before joining any online meeting (Google Meet, Zoom, Microsoft Teams, Discord, etc.). FEATURES: • Camera Test - Live video preview to verify your camera works • Microphone Test - Real-time audio level indicator • Speaker Test - Play a test tone to check audio output • Device Detection - Lists available cameras, microphones, and speakers • Privacy-Focused - No recording, no tracking, everything runs locally PERFECT FOR: - Pre-meeting device checks - Troubleshooting audio/video issues - Quick verification before interviews - Testing after system updates PRIVACY & SECURITY: ✓ No recording or storage ✓ No internet connection required ✓ No analytics or tracking ✓ 100% local processing ✓ Auto-stops when popup closes HOW TO USE: 1. First time: Grant camera/microphone permissions (one-time setup) 2. Click the extension icon 3. Test your devices 4. Join your meeting with confidence! Simple, lightweight, and privacy-focused.