IObit Online Device Tester

Test your hardware directly in your browser. No installation required.

Comprehensive Device Testing Suite

IObit Online Device Tester provides a complete suite of diagnostic tools to test and verify your hardware components. From keyboard and mouse input to microphone, webcam, screen, CPU, network, and more - all tests run directly in your browser without requiring any installation or downloads.

Whether you're troubleshooting hardware issues, verifying device functionality, or benchmarking performance, our comprehensive testing tools help you identify problems quickly and accurately. All tests are performed locally in your browser, ensuring your privacy and data security.

Available Testers

Choose a tester to verify your hardware is working correctly

💻 PC Testers

Keyboard Tester

Test your keyboard input, detect dead keys, and verify all keys are working correctly.

📱 Mobile Testers

Touch Screen Test

Test multi-touch capabilities and gestures on your device.

Motion Sensors Test

Test gyroscope and accelerometer sensors.

Vibration Test

Test haptic feedback and vibration patterns.

Geolocation Test

Test GPS accuracy and location services.

Battery Health Test

Monitor battery drain rate and health.

🔄 Both PC & Mobile Testers

Mouse & Touch Tester

Test mouse buttons, scroll wheel, pointer tracking, and touch input.

Microphone Level Test

Test your microphone input levels in real-time. Verify microphone is working.

Speaker / Headphone Test

Test your speakers or headphones with reference tones.

Webcam Preview

Test your webcam, verify camera works, and check framing.

Screen & Dead Pixel Test

Test your display for dead pixels and color accuracy.

System & Browser Info

View detailed system information and browser details.

Network Speed Test

Test your internet connection speed and latency.

Color Blindness Test

Test your color vision with Ishihara color plates.

Display Refresh Rate Test

Measure your display refresh rate and FPS.

CPU & Performance Test

Benchmark your CPU performance with JavaScript tests.

Storage Test

Test browser storage performance and check quota.

Font Rendering Test

Test font clarity and rendering quality.

Clipboard Test

Test copy and paste functionality.

Display Calibration Test

Test brightness, contrast, and color accuracy.

WebGL & GPU Test

Test WebGL support and GPU information.

Audio Latency Test

Measure audio input/output latency.

Memory Leak Test

Monitor memory usage to detect leaks.

Network Quality Test

Test packet loss, jitter, and connection stability.

Browser Compatibility Test

Check which browser APIs are supported.

Canvas Performance Test

Test 2D canvas rendering speed.

Screen Resolution Test

Detect screen resolution and pixel density.

Time Sync Test

Test system clock accuracy.

Permissions Test

Check browser permissions status.

Privacy & Storage Test

Check stored cookies and storage data.

DNS Resolution Test

Test DNS lookup speed.

SSL/TLS Test

Check SSL/TLS security protocols.

Video Codec Test

Test video codec support.

Audio Codec Test

Test audio codec support.

WebRTC Test

Test WebRTC peer connection.

Service Worker Test

Test service worker and offline functionality.

WebAssembly Test

Test WebAssembly support and performance.

What Users Say

⭐⭐⭐⭐⭐

"This is the most comprehensive device tester I've found online. No installation needed, works perfectly for diagnosing hardware issues."

S

Sarah Chen

IT Professional

⭐⭐⭐⭐⭐

"Amazing tool! I use it regularly to test my peripherals. The keyboard and mouse testers are especially useful."

M

Michael Rodriguez

Tech Enthusiast

⭐⭐⭐⭐⭐

"Perfect for testing webcam and microphone before live streams. Saves me so much time troubleshooting audio/video issues."

E

Emily Johnson

Content Creator

⭐⭐⭐⭐⭐

"Great collection of diagnostic tools. The network speed test and system info are very accurate. Highly recommended!"

D

David Kim

System Administrator