← MVSP / PC Tests

TESTEPC.ONLINE · HARDWARE DIAGNOSTICS

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Fast, free diagnostics — straight in your browser, nothing to install.

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Keyboard Test

Check that every key is working correctly, in real time.

Visual map of the full keyboard
Detects stuck or unresponsive keys
Support for ABNT2 layout and numpad
Key press history and progress

Check your computer's speakers, headphones and microphone.

Left and right channel test
9 frequencies for diagnostics
Microphone with waveform visualizer
Independent volume control

View your camera feed live and check resolution and quality.

Live camera preview
Resolution, FPS and aspect ratio
Photo capture for verification
Switch between available cameras

Processor stress test with per-core load, estimated temperature and performance score.

Stress test with parallel Web Workers
Real-time per-core load meter
Estimated temperature during the test
Performance score and rating
Configurable intensity and duration

Checks integrity, read/write speed and bandwidth of your RAM.

Visual map of tested memory regions
Write and read speed (MB/s)
0xAA/0x55 integrity verification
Real-time bandwidth chart
Bit error detection

WebGL graphics card benchmark: FPS, 3D stress test, fill rate and hardware info.

4 3D scenes with increasing complexity
Real-time FPS with historical chart
Complete GPU information
Fill rate and WebGL extensions
Performance score and rating

CPU + RAM + GPU running simultaneously for up to 4 hours to check system stability under sustained load.

CPU, RAM and GPU in parallel
Configurable duration: 15min to 4 hours
RAM bit error detection
FPS and CPU drop monitor
Final report with verdict

Resolution, Hz, HDR, DPI, dead pixels, screen uniformity and color calibration — all on one page.

Complete display info (Hz, DPI, HDR)
Dead pixel test in 7 colors + auto mode
Uniformity: bleeding, clouding, vignetting
Grayscale, sRGB primary colors
Banding and skin tone test

Everything that can be detected about your hardware and software straight from the browser.

CPU: threads, benchmark, WebAssembly
RAM, GPU, Display, Battery and Network
28 video and audio codecs tested
30+ browser capabilities
Export as TXT

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How it works

Choose a test

Select which component you want to check from the menu above.

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Some tests ask the browser for camera or microphone permission.

Run the test

Follow the on-screen instructions. Results appear in real time.

Check the results

Spot issues and get a performance score for the component.