MARZNetwork & device tools
Check your IP, test your connection, and diagnose your device — all in your browser.
6 tools
What Is My IP AddressInstantly see your public IP address, IPv4 and IPv6, ISP, and approximate location.MAC Address LookupLook up the manufacturer of any MAC address instantly, plus how to find your own.Internet Speed TestFree internet speed test — check your download speed, upload speed, and ping in seconds.Webcam & Microphone TestCheck that your camera and microphone are working before your next video call.Typing Speed TestTest how fast you type. Get your words-per-minute (WPM) and accuracy instantly.What Is My Screen ResolutionInstantly see your screen resolution, viewport size, and pixel density.