Test your phone or monitor for dead pixels, light spots, and backlight bleed — auto-cycles through 6 colors.

Use this screen test tool to detect bright spots, dead pixels, and screen burn-in issues.

Buyer Guides · Reviews · Comparisons

Pick the right gear for the work you actually do.

Long-form buyer guides for programmers, designers, and screen enthusiasts — written after 60+ hours of testing, never sponsored.

Best Laptop for Coding and Programming (2026)

We tested 12 laptops over 60+ hours — here are the 5 best laptops for programming and software development in 2026, ranked by use case.

Coding, design, gaming — find the right laptop for your work.

Coding & Development

Design & Color Work

AI & Local LLMs

Game Development

We tested 12 laptops over 60+ hours — here are the 5 best laptops for programming and software development in 2026, ranked by use case.

Aug 23, 2026

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Run our free in-browser screen test to check for dead pixels, bright spots, color uniformity, and flicker on any laptop or monitor.