Free Hardware Diagnostic Tools

Test your laptop and peripherals entirely in your browser.

No install. No signup. Free.

Start with most popular tool →

LAPTOP DIAGNOSTICS

Live
🔋

Battery Health

Check capacity and cycles

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 Soon
🌡️

Thermal Profiler

Detect throttle and heat

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 Soon
💾

SSD Health

Analyze SMART and speed

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 Soon
🧠

RAM Test

Measure speed and usage

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PERIPHERALS & I/O

★ Popular
🎮

Controller Lab

Deep PS5/PS4 analysis

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 Live
⌨️

Keyboard Test

Find stuck or dead keys

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 Soon
🖱️

Mouse Test

Check buttons and scroll

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 Soon
🎤

Mic Test

Audio input visualizer

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🔊

Speaker Test

L/R channel frequencies

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DISPLAY

Soon
🖥️

Display Test

Monitor Hz and tearing

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 Soon
💀

Dead Pixel Test

Find and fix stuck pixels

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 Soon
📷

Webcam Test

Test camera feed and res

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