About ScreenLab
ScreenLab is a free display-testing project operated by Space-Node. We make useful screen patterns easy to run, with practical explanations of what to check next.
What we do
ScreenLab is a collection of 50+ free, browser-based tools for testing and diagnosing display issues. Whether you just bought a new monitor and want to check for dead pixels, want to compare reference colours before photo editing, or want to verify your OLED panel for burn-in, we have a tool for that.
Every tool runs entirely in your browser. No downloads, no plugins, no registration. Open a tool, go fullscreen, and start testing. It works on any device with a modern browser, from phones to ultra-wide monitors.
Our tools cover
Pixel Detection
Dead pixel tests, stuck pixel fixers, backlight bleed detection
Color Calibration
Color accuracy, gradient tests, gamma calibration, RGB mixing
Motion Performance
Motion blur, response time, refresh rate, PWM flicker
OLED Care
Burn-in detection, screensavers, dark screen, multi-color flash
Display Info
Screen info, text clarity, viewing angle, aspect ratio
Games & Fun
Reaction time, click speed, aim trainer, bouncing screensaver
Privacy
Display test calculations run locally in your browser. We do not track your test results, store your screen information, or require any account. Optional analytics and advertising involve Google and may process personal information. Read our privacy policy and use the footer controls to manage your choices.
Who is behind ScreenLab?
ScreenLab is operated by Space-Node. For tool problems, editorial corrections or privacy requests, email info@space-node.net.
Browser checks do not replace calibration equipment or a manufacturer diagnosis. Read our testing methods, privacy policy and contact information.