Device & Hardware Testing
Device and network tools help diagnose everyday hardware and connection problems before a call, purchase, repair, or support request. The collection includes keyboard and mouse checks, dead-pixel screens, webcam and microphone previews, public IP details, and an internet speed test. Remote workers can confirm meeting equipment, gamers can investigate missed inputs, buyers can inspect a monitor, and support staff can gather basic evidence before troubleshooting further. Tests use browser events, media permissions, display modes, and measured network requests rather than installing a diagnostic package. Permission-based tools only activate the device you select, and results may be influenced by browser restrictions, Wi-Fi conditions, background traffic, or display scaling. They are practical first checks, not substitutes for calibrated laboratory or repair-shop equipment.
Display & Screen
1 utilityInput Peripherals
2 utilitiesAudio & Video Hardware
1 utilityNetwork Diagnostics
2 utilitiesRelated Categories
Measurement & Calculators
Browser-native financial, mortgage, compound interest, loan, BMI, age, tip, GPA, and currency calculators with zero server uploads.
Developer & Cryptography
Client-side hashing (MD5, SHA-256, Bcrypt, Argon2), JSON formatters, QR code generators, regex testers, and syntax checkers.