HOW TO USE
1) Choose a tool on PAGE 1
2) Set the device brightness you want to test
3) Try multiple browsers (results can differ)
4) For accuracy: disable Night Shift/True Tone if needed
5) Exit fullscreen with ESC or tap/click
SAFETY (FLASHING / FLICKER)
Flashing warning: avoid 794 if sensitive to flicker.
Keep flash frequency low and sessions short.
If you feel discomfort: stop immediately.
Use high-contrast tools (796) as a safer alternative.
WHAT THESE TOOLS CHECK
791 blur/response time feel (not a lab measurement)
792–793 smoothness + refresh behaviour
795 filming screens (rolling shutter patterns)
798 pixel structure alignment / scaling
FAQ (FRAME / REFRESH)
Why does it say 60? many phones lock to 60 in low-power mode.
120Hz? enable high refresh in system settings.
Browser matters — some cap animation timing.
Battery saver can reduce refresh rate.
FAQ (MOTION BLUR)
Is this scientific? it’s a visual aid, not a certified test.
Why does it vary? OLED vs LCD response + refresh.
Use case: compare settings (overdrive / gaming mode).
FAQ (GRID / SCALING)
Lines look uneven? subpixel layout + scaling.
Try: different zoom level (100% is best).
Try: different browser + disable “text size” overrides.
MINI BLOG: WHY ADVANCED TESTS HELP
- Gaming — check smoothness and motion clarity.
- Filming — avoid banding/flicker when recording screens.
- Accessibility — quick high-contrast viewing modes.
- Pixel geometry — check scaling and crisp overlays.
- Diagnostics — compare “before/after” settings changes.
WHICH PAGE TO USE
792 if you want a quick “smoothness” check
793 if you want a refresh behaviour visual
795 if you are filming (camera sync)
796–797 if you want high-contrast / focus aids
798 if you want a grid overlay for alignment
KEYWORDS (NATURAL)
motion blur test • refresh rate visualiser
frame rate checker • screen flicker test
camera sync screen test • high contrast mode
pixel grid overlay • display diagnostics