Free Computer Diagnostic Tool Online - Test PC, Laptop CPU, GPU, RAM & Hardware 2026
Apne PC ya Laptop ka pura hardware test karna chahte hain? Ye Free Computer Diagnostic Tool bina kisi software install kiye directly browser mein aapke computer ka CPU Benchmark, GPU Info, RAM, Storage, Network Speed, Keyboard, Mouse, Webcam, Speaker, Mic aur sabhi hardware components check karta hai aur ek Overall PC Health Score deta hai.
PC / Laptop Full Diagnostics
13 Hardware Tests • CPU Benchmark • Real-time Health Score
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OS
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CPU Cores
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RAM
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Screen
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Browser
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Network
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Battery
⚡ Performance
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CPU Benchmark
Runs a JavaScript math stress test to measure CPU processing speed.
Press button to start benchmark
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GPU / Graphics Test
Detects GPU info via WebGL and tests graphics hardware availability.
Tap to detect GPU
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RAM Memory Info
Checks available device memory reported by the browser API.
Tap to check RAM
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Storage Info
Shows disk usage and available browser-accessible storage quota.
Tap to check storage
📻 Display
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Dead Pixel Test
Fullscreen Red, Green, Blue, White, Black to find dead or stuck pixels.
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Brightness Range Test
Slide to test screen brightness uniformity across the display panel.
Adjust slider below
⌨ Input Devices
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Keyboard Test
Click in the box below and press any keys to test keyboard response.
Click here, then press keys...
Keys pressed: 0
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Mouse / Touchpad Test
Click inside the area to test mouse buttons and pointer accuracy.
Click / Tap here to test
Clicks: 0 | Last: --
🔊 Audio
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Stereo Speaker Test
Plays Left (440Hz) then Right (880Hz) channel audio separately.
Press to play audio
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Microphone Test
Live audio level meter checks your microphone input.
Allow mic access then speak
🌐 Connectivity
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Webcam Test
Live camera preview to verify your webcam is working correctly.
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Network & Speed
Checks connection type, RTT latency and estimated download speed.
Type: -- | RTT: -- | Speed: --
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Ping / Latency Test
Measures round-trip time to Google DNS to check internet latency.
Avg Ping: --ms | Min: --ms | Max: --ms
🚀 Advanced Tests
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FPS / Frame Rate Test
Measures browser rendering frames per second using requestAnimationFrame loop.
Current FPS: -- | Avg: -- | Min: --
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Download Speed Test
Downloads a test file and measures actual MB/s download speed.
Speed: -- Mbps
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Screen DPI / PPI Test
Calculates your screen dots-per-inch and pixel density for display quality.
DPI: -- | Pixel Ratio: -- | Size: --
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Browser Storage Test
Tests LocalStorage, SessionStorage and Cookie support in your browser.
Tap to test browser storage
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Geolocation / GPS Test
Checks if GPS or network-based location is available and accurate.
Lat: -- | Lon: -- | Accuracy: --
📊 Diagnostic Report
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Overall PC Health
Computer Diagnostic Tool Kaise Use Karein?
- Run All Tests button dabaiye — CPU, GPU, RAM, Storage, Network auto-test ho jayenge.
- Manual tests ke liye (Speaker, Mic, Webcam, Keyboard) unke buttons par click karein.
- Har test ke baad Green = Pass, Red = Fail status dikhega.
- Sabhi tests ke baad PC Health Score dekh sakte hain.
Ye Tool Kab Use Karein?
Naya laptop khareedne ke baad hardware verify karne ke liye, ya kisi repair ke baad components check karne ke liye, ya bas apne PC ki overall health score jaanne ke liye — ye tool bilkul free aur accurate hai. Koi software install nahi, koi registration nahi — sirf browser kholo aur test shuru karo.