Ljusstyrka 100%

Vit skärm bakgrund

px
×
px
#FFFFFF
Anpassad färg
Opens one color window per detected screen. Drag & fullscreen each.

Skärmtestverktyg

Automatisk färgcykel

Cykla snabbt genom färger för att fixa fast pixlar. Kör i 20-30 minuter.

OLED-inbränningstest

Visa rörligt mönster för att upptäcka OLED-inbränning.

Gradienttest

Mjuka gradienter för att kontrollera färgbandning och bitdjup.

Schackbrädetest

Schackbrädemönster för att testa skärpa och pixelrespons.

Pixelresponstidtest

Snabba svart/vit-övergångar för att utvärdera eftersläpning.

Betraktelsevinkeltest

Färgband för att utvärdera betraktelsevinkeln.

Grå uniformitetstest

50% grå för att avslöja bakgrundsbelysningsfläckar.

Färgnoggrannhetskontroll

Referensfärger för kalibreringsverifiering.

Timerläge

Ställ in timer för helskärmsvisning.

Multiskärmsdetektering

Upptäck anslutna skärmar och öppna helskärmsfärg på alla.

Drag each window to a different monitor, then click Go Fullscreen inside it.
Detected Screens
Click "Refresh" to detect…

Om Vit skärm

A white screen is one of the most versatile tools for monitor testing and everyday productivity. By filling your entire display with pure white light, you can quickly spot dead pixels — those tiny dark dots that fail to illuminate. Dead pixels are permanent hardware defects where a pixel's transistor has failed, leaving it permanently off.\n\nBeyond pixel testing, a full-screen white display serves as an excellent improvised light source. Content creators on Zoom, Google Meet, or Microsoft Teams use white screens to boost facial lighting when a ring light isn't available. Photographers use white screen displays as softbox alternatives for product shots, while videographers employ them as fill lights for close-up work.\n\nFor screen cleaning, a white background makes dust, fingerprints, and smudges highly visible, letting you clean your monitor thoroughly without missing any spots. Simply display the white screen, turn off overhead lights, and wipe with a microfiber cloth using gentle circular motions.\n\nWhite screens also support focus and productivity. Many users display a full white screen during deep work sessions to minimize visual distractions from desktop icons, wallpapers, and notifications. The clean, uniform surface helps maintain concentration during reading, writing, or studying.

Vanliga frågor – Vit skärm

Display this white screen in fullscreen mode and carefully scan every area of your monitor. Dead pixels will appear as tiny dark (black) dots that don't light up. Check systematically by dividing your screen into quadrants.

Yes! Open the white screen fullscreen on a second monitor or tablet facing you. It provides soft, even illumination similar to a ring light. Adjust brightness to control intensity.

Display the white screen, dim room lights, then gently wipe with a dry microfiber cloth in circular motions. The white background reveals all dust and smudges clearly.

Choose the resolution matching your monitor: 1080p for Full HD, 1440p for 2K, 2160p for 4K, or 4320p for 8K displays.

A white screen displays pure #FFFFFF at full brightness to test pixels. A brightness test varies intensity levels to check backlight uniformity and gradient response.