Monitor Test
Looking for a monitor test tool? You're close — but one step away from the right site.
DeadPixelTest.pro Monitor Tests
The dedicated monitor test suite
The monitor test suite at DeadPixelTest.pro is a free, no-install monitor diagnostic suite with over 20 individual tests — dead pixels, backlight bleed, ghosting, colour accuracy, refresh rate, and more. Works in any browser, on any OS.
Free · No account · No download
Why are you on this site? DeadPixelDevice.pro covers dead pixel testing and warranty guidance for specific devices — Kindles, MacBooks, gaming handhelds, VR headsets, and cameras. If you're testing a standalone monitor or desktop display, the monitor test suite at DeadPixelTest.pro is the right tool.
All 22 tools at DeadPixelTest.pro
Every tool is free and runs entirely in your browser.
Dead Pixel Test
Solid colour screens to spot stuck or dead pixels
Backlight Bleed
Detect uneven backlight seeping around panel edges
Colour Accuracy
Primary and secondary colour saturation check
Contrast Test
Near-black and near-white gradient discrimination
Response Time / Ghosting
Moving-object smear and UFO motion test
Refresh Rate (Hz)
Confirm your monitor is running at its rated Hz
Uniformity Test
Reveal brightness and colour uniformity across the panel
Gradient Banding
Smooth gradient reveals bit-depth and banding issues
Black Level Test
ANSI shadow detail and true-black capability
Sharpness & Text
Sub-pixel rendering and text clarity evaluation
Gamma Calibration
Verify gamma curve against 2.2 / sRGB target
Viewing Angle
Colour and contrast shift at off-axis positions
Motion Blur
Pixel persistence and MPRT measurement patterns
Pixel Inversion
Detect inversion artefacts common on older panels
Overshoot / Ringing
Halo artefacts caused by aggressive overdrive
Brightness Uniformity
Vignetting and centre-to-edge brightness delta
Colour Temperature
White-point warmth / coolness across the panel
Crosstalk
Inter-pixel leakage on TN and VA panels
Checkerboard Pattern
Fine contrast resolution and pixel adjacency
Input Lag Indicator
Visual latency reference for competitive gaming
Screen Uniformity Grid
16-zone uniformity map with colour overlay
Colour Gamut Range
sRGB / DCI-P3 / AdobeRGB coverage visualiser
Dead pixel on a specific device?
If the screen you're testing is part of a device — a laptop, e-reader, gaming handheld, or VR headset — you're in the right network. Pick your device below for a device-specific test, warranty verdict, and fix guide.
Or browse all device categories — e-readers, cameras, VR, wearables, and more.