Online Diagnostic Tools
Useful free web utilities for quick hardware testing without software installation
Hardware & Devices
Online Keyboard Tester
Test your keyboard functionality and ensure every key responds properly
Online Mouse Tester
Test mouse buttons, scroll wheel, double-click faults, and sensor tracking
Online Laptop Battery Test
Check battery percentage, AC power connection, and estimated runtime in real time
Device Specifications
Compact dashboard for system info & multi-monitor setup
USB Hardware & Protocol Inspector
Deep USB specification analysis, topology tree inspector (endpoints), and live I/O console
Multimedia
Online Webcam Tester
Professional video stream quality inspector, real-time FPS counter & camera lens diagnostic workbench
Online Microphone Tester
Professional audio input diagnostics, real-time spectrum analysis & voice recording
Speaker & Headphone Test
Diagnostic suite for left/right stereo channels, 20 Hz – 20 kHz frequency spectrum, and phase response
Display & Touch
Online Monitor Dead Pixel Test
Fullscreen display diagnostics for flicker, stuck transistors, backlight bleeding, and color uniformity
Screen Resolution & Multi-Monitor Setup Diagnostic
Check exact screen resolution, hardware matrix specs, system scaling factor, and physical layout of all connected displays
Touchscreen & Multi-Touch Tester
Professional real-time diagnostic utility for digitizer sensitivity, dead zones, and multi-touch capabilities
Sensors & Connectivity
Bluetooth Hardware & Peripheral Diagnostics
Professional online utility to scan nearby BLE devices, verify system Bluetooth radio status, and inspect GATT attributes
GPS Sensor & Geolocation Diagnostics
Professional online utility to inspect hardware GPS/A-GPS sensors, location accuracy, movement velocity, and direction
Gyroscope & Accelerometer Sensor Test
Professional online utility to inspect motion sensors, 3D orientation angles, and acceleration vectors
Complete Online Diagnostics Suite for Hardware, Peripherals and Display Analysis
Modern computing equipment and mobile devices require periodic health verification across both hardware modules and network privacy layers. Our interactive web suite provides a comprehensive set of specialized express diagnostics that operate natively inside your web browser without requiring software downloads, executable installations, or elevated system privileges.
Core Diagnostic Modules
The platform covers all essential input/output components and peripheral controllers on desktop PCs, laptops, tablets, and smartphones:
- Input Devices (Keyboards & Mice): Verify key scan codes, detect phantom key presses (Anti-Ghosting), measure polling rates, and analyze double-click hardware faults.
- Displays & Video Panels: Identify dead or stuck pixels on LCD/OLED screens, test backlight uniformity, check display refresh rates (Hz), and evaluate color calibration.
- Audio & Video Equipment: Test microphones with real-time waveform visualization, check stereo channel separation for speakers and headphones, and evaluate webcam resolutions and FPS.
- System Resources & Telemetry: Detect CPU logic cores, WebGL GPU acceleration capabilities, AdBlock detection status, network latency (RTT), and privacy parameters.
- Sensors & Wireless Controllers: Monitor battery health and charging cycles, test WebUSB and Web Bluetooth hardware discovery, GPS coordinates, and 3-axis gyroscope sensors.
Browser W3C Web APIs Architecture
All diagnostic utilities are built upon modern, standardized W3C browser APIs (Web Audio API, WebGL 2.0, Navigator Hardware APIs, Gamepad API). Signal processing occurs entirely client-side within the browser sandbox memory, ensuring total data privacy, zero malware risk, and immediate diagnostic feedback across all operating systems (Windows, macOS, Linux, Android, iOS).
When to Perform Equipment Diagnostics
Regular browser-based hardware checking is recommended in the following scenarios:
- Inspecting pre-owned or refurbished laptops, monitors, or gaming gear prior to purchase.
- Verifying hardware repairs after servicing or component replacement.
- Troubleshooting screen pixel defects, key chatter, or microphone audio distortion.
- Confirming system readiness for remote work, video conferencing, or esports gaming.