Best Free Screen Testing Tools Online
A curated list of the best free screen testing and display tools available online.
Looking for free screen tools? Here are the best ones.
1. WhiteScreen.Page (That's Us!)
We offer 12+ solid colors, test patterns, brightness controls, and more.
Features: 12 colors, test patterns, fullscreen mode, brightness/saturation controls
Price: Free
Languages: 35 languages
2. PrankScreen.app
Our sister site for screen pranks. Broken screens, BSOD, TV static, and more.
Features: 8 prank effects, 43 languages
Price: Free
3. LCD Pixel Test Websites
Various sites offer basic dead pixel tests, but none match our color variety.
What Makes a Good Screen Tool?
Fullscreen mode — Essential for accurate testing
Multiple colors — Red, green, blue, white, black at minimum
Brightness control — For OLED and photography use
Mobile friendly — Works on phones and tablets
No registration — Instant access
Multilingual — Accessible worldwide
Why WhiteScreen.Page?
We're the only tool that offers:
12+ solid colors
Test patterns (stripes, gradients)
Brightness and saturation controls
35 languages
Custom color picker
100% free, no registration
Start testing your screen now.