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description= Free browser-based screen and monitor tests for dead pixels, refresh rate, uniformity, ghosting and more.;
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Text of the page (random words):
display checkup free screen monitor tests display checkup tests dead pixel oled refresh rate ghosting more tests inspect new monitor used monitor oled monitor gaming monitor guides start inspection screen inspection made clear free screen and monitor tests that show what your display is really showing live browser check your display under inspection 5 min essential checks private by design free browser tools to check a new used oled or gaming monitor in about five minutes then keep a complete inspection report start guided inspection choose a test start with a guided inspection a guided path when you do not know what to test first see all inspections 01 inspection new monitor the essential checks to run before your return window closes 02 inspection used monitor a five minute checklist for an in person second hand purchase 03 inspection oled monitor focus on the panel behaviors worth checking on an oled display 04 inspection gaming monitor check the settings and motion behavior behind a smoother gaming display or choose a single screen test visual patterns and browser measurements with clear limits not sure what to test start guided inspection screen test check the whole panel with clean full screen color patterns open tool monitor test start with the checks that matter when a monitor is new or second hand open tool dead pixel test show solid colors and find pixels that remain visibly different open tool oled test inspect near black behavior uniformity and image retention on an oled panel open tool refresh rate test estimate active refresh timing from browser animation frames open tool ghosting test watch a moving pattern and inspect trailing smearing or inverse ghosting open tool backlight bleed test use a black field to inspect bright areas around the panel edges open tool color banding test display smooth gradients and look for abrupt steps open tool grayscale test inspect shadow detail highlight detail and smooth grayscale transitions open tool resolution checker see the active screen viewport device pixel ratio and browser display capabilities open tool inspect understand report your observations stay in this browser export a structured pdf when you are done view latest report guides short practical reading before or after you test how to test a new monitor a five minute checklist to run before the return window closes read the guide dead pixel vs stuck pixel what the difference looks like and why it matters for a return decision read the guide frequently asked questions what display checkup does and what it deliberately leaves to you is display checkup free to use yes every test and guided inspection runs in your browser at no cost and the pdf report is generated locally can a browser test damage my display no the patterns only change what your screen shows we never ask you to press on the panel or change hardware for a test does display checkup decide whether i should return a monitor no the inspection records your observations and browser estimates return decisions depend on the seller s policy so compare your report with it where is my inspection data stored in this browser the guided inspection and the report read your local session and nothing is uploaded to a server do i need an account or an app no open the site run the checks and download the report nothing to install and no sign in 2026 display checkup browser based inspection about privacy terms
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