ScreenTest – Free browser-based tools for comprehensive screen and monitor testing

Summary: ScreenTest offers free, web-based tools to test display features including black & white screens, color accuracy, brightness, contrast, dead pixels, refresh rate, and resolution without downloads or sign-up. It works across desktops, mobiles, TVs, and monitors.

What it does

It provides various display tests directly in the browser, enabling users to assess screen quality and performance on multiple device types instantly.

Who it's for

Users needing quick, no-installation display diagnostics on any device, including desktops, mobiles, and TVs.

Why it matters

It eliminates the need for paid, ad-filled, or downloadable software by offering instant, free screen testing online.