Life Tools
Essential tools for daily life including cooking calculators, health assessments, travel planning and unit conversions. Make life easier and more efficient.
Free Online Microphone Test - Test Your Mic Instantly
Free online microphone test tool. Check if your mic is working, view real-time audio levels, and troubleshoot mic issues instantly. No signup required - 100% free, private, and works offline on all devices.
Free Online Screen Test - Dead Pixel & Display Test
Free online screen and monitor test tool. Check for dead pixels, color accuracy, brightness uniformity, and screen defects instantly. No signup required - 100% free, private, and works offline on all devices.
Free Online Camera Test - Test Webcam Instantly
Free online webcam test tool. Check if your camera is working, preview video quality, and troubleshoot camera issues instantly. No signup required - 100% free, private, and works offline on all devices.
Free Online Mouse Test - Test Buttons, Scroll & Cursor Instantly
Free online mouse tester to check all mouse buttons (left, right, middle, side buttons), scroll wheel, cursor movement, and double-click speed. No signup required - 100% free, private, and works offline. Instantly diagnose mouse problems on any device.
Free Online Keyboard Test - Test All Keys Instantly
Free online keyboard tester. Check if all keys are working properly including letters, numbers, function keys, and special keys. No signup required - 100% free, private, and works offline on all devices.
Free Online KeyCode Viewer - JavaScript Key Event Inspector
Free online JavaScript keyboard event inspector. Press any key to instantly view keyCode, key, code, which, charCode, and modifier states. No signup required - 100% free, private, and works offline. Essential debugging tool for web developers.
Free Online Altitude Calculator - Real-time GPS Elevation
Free online altitude calculator with real-time GPS. Check your current altitude and elevation instantly - shows height above sea level, coordinates, and accuracy. No signup required - 100% free, private, and works on all devices.