Lysstyrke 100%
Tidtakermodus

Sett tidtaker for fullskjermsvisning.

Gul skjerm bakgrunn

px
×
px
#FFFF00
Egendefinert farge
Opens one color window per detected screen. Drag & fullscreen each.
Free & Browser-Based

Free Online Screen Savers – No Download Required

Transform your display with beautiful, interactive screensavers that run right in your browser. Choose from digital clocks, productivity timers, ambient animations, and mesmerizing visual effects — perfect for idle screens, desk displays, presentations, and relaxation.

Free Prank Tool

Fake Update Screens – Free Online Prank Tools

Realistic fullscreen prank screens — BSOD, Windows updates, Ubuntu upgrades, iOS updates, and hacker terminals. Launch any screen fullscreen and watch your friends panic. Press ESC to exit anytime.

Skjermtestverktøy

Automatisk fargesyklus

Sykler raskt gjennom farger for å fikse faste piksler. Kjør i 20-30 minutter.

OLED-innbrenningstest

Vis bevegelig mønster for å oppdage OLED-innbrenning.

Gradienttest

Jevne gradienter for å sjekke fargebånd og bitdybde.

Sjakkbretttest

Sjakkbrettmønstre for å teste skarphet og pikselrespons.

Pikselresponstidtest

Raske svart/hvit-overganger for å vurdere etterbilder.

Betrakningsvinkeltest

Fargebånd for å vurdere betrakningsvinkelkonsistens.

Grå uniformitetstest

50% grå for å avsløre bakgrunnsbelysningsfeil.

Fargenøyaktighetskontroll

Referansefarger for kalibreringsverifisering.

Flerskjermdeteksjon

Oppdag tilkoblede skjermer og åpne fullskjermsfarge på alle.

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

Om Gul skjerm

A yellow screen combines red and green sub-pixels at full intensity, making it excellent for testing sub-pixel coordination. If your display shows inconsistent yellow with tints of green or red in certain areas, it indicates calibration issues or aging sub-pixels.\n\nYellow light provides warm, inviting ambient lighting similar to candlelight or sunset tones. It's popular for creating cozy atmospheres in living spaces and is less disruptive to circadian rhythms than blue or white light.

Ofte stilte spørsmål – Gul skjerm

Yellow requires both red and green sub-pixels at full brightness with blue off. It tests sub-pixel coordination and can reveal calibration issues.

Yellow light contains less blue wavelength, which can reduce eye strain during evening use compared to pure white light.