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Režim časovača

Nastavte časovač pre zobrazenie na celú obrazovku.

Zelená obrazovka pozadie

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Vlastná farba
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.

Nástroje na testovanie obrazovky

Automatický cyklus farieb

Rýchlo cyklujte farby na opravu zaseknutých pixelov. Spustite na 20-30 minút.

Test vypálenia OLED

Zobraziť pohyblivý vzor na detekciu vypálenia OLED.

Test prechodov

Plynulé prechody na kontrolu pruhov farieb a bitovej hĺbky.

Test šachovnice

Šachovnicové vzory na testovanie ostrosti a odozvy pixelov.

Test doby odozvy pixelov

Rýchle čiernobiele prechody na hodnotenie duchov.

Test uhla pozorovania

Farebné pruhy na hodnotenie konzistencie uhla pozorovania.

Test rovnomernosti šedej

50% šedá na odhalenie problémov podsvietenia.

Kontrola presnosti farieb

Referenčné farby na overenie kalibrácie.

Detekcia viacerých monitorov

Detekujte pripojené displeje a otvorte farbu na celú obrazovku na všetkých.

Drag each window to a different monitor, then click Go Fullscreen inside it.
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O aplikácii Zelená obrazovka

A green screen serves dual purposes: display testing and content creation. For pixel testing, a pure green screen isolates the green sub-pixel channel, revealing defects specific to the green component. Since the human eye is most sensitive to green light, green sub-pixel defects can be particularly noticeable in everyday use.\n\nFor content creators, a fullscreen green display turns any monitor into an improvised chroma key background. While not as effective as a physical green screen fabric (due to screen glare and limited size), it can work for headshot-style recordings, quick social media clips, or prototyping chroma key setups before investing in professional equipment.\n\nGreen is also the dominant color in most display technologies. LCD panels have more green sub-pixels than red or blue in certain arrangements (like PenTile), making green screen testing especially important for smartphones and tablets.\n\nFor ambient lighting, green provides a calming, nature-inspired atmosphere. Studies suggest exposure to green light can reduce stress and improve mood, making it suitable for relaxation spaces.

Často kladené otázky – Zelená obrazovka

For quick video calls or social media content, a fullscreen green display can work as a basic chroma key background. For professional work, a physical green screen provides better results due to even lighting.

The human eye is most sensitive to green wavelengths. Green sub-pixel defects are more noticeable in daily use, so testing with a pure green screen helps catch issues early.

This is pure green at #00FF00, which is the standard sRGB green used in display testing and chroma key applications.

Research suggests green light exposure may reduce stress and anxiety. A green screen can provide calming ambient lighting for meditation or relaxation spaces.