YOUR DIGITAL TROUBLESHOOTING WORKSPACE
Fix tech problems.
Keep moving.
Simple, free tools to troubleshoot Wi-Fi, Windows PCs and everyday devices. Powerful networking utilities when you need them.
40 practical toolsNo sign-upWorks in your browser
BROWSE BY PROBLEM
What do you need help with?
Jump into the right collection—without scrolling through 40 tools.
Internet & Wi-FiFix connection problems, router issues and DNS failures.7 tools PC & LaptopTroubleshoot Windows, batteries, overheating and storage.7 tools Device TestingTest your keyboard, mouse, screen, camera and microphone.6 tools Advanced NetworkingSubnetting, VLSM, IPv4, storage and IT calculations.20 tools
HANDPICKED TOOLS
Browse all tools Popular tools for everyday tasks
Pick a tool and solve your problem in a few clicks.
Wi-FiWi-Fi TroubleshooterFix Wi-Fi disconnections, slow speeds and connection problems.Open tool DevicesKeyboard TesterCheck which keys respond when you type.Open tool WindowsWindows Error LookupUnderstand common Windows error codes and what to try.Open tool InternetInternet CheckerCheck your browser’s connection and common network issues.Open tool NetworkingSubnet CalculatorFind network addresses, host ranges and subnet masks.Open tool SecurityPassword GeneratorCreate stronger passwords directly in your browser.Open tool
QUICK START GUIDES
Answers when tech gets frustrating
Guided checks you can follow at your own pace.
One workspace. Forty useful tools.
Explore everyday troubleshooting and advanced networking from one place.