Blå skjerm

Lysstyrke 100%
Tidtakermodus

Sett tidtaker for fullskjermsvisning.

Blå skjerm bakgrunn

px
×
px
#0000FF
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.

Fullscreen screensavers • Animated backgrounds • No installation • Works on Windows, Mac, Linux, Chromebook & mobile

Digital Clock Screensaver - Free Online Screensaver Preview

Digital Clock Screensaver

Beautiful digital clock screensaver with 10 color themes, 4 fonts, glow effects, and Wake Lock API. Runs fullscreen in y

launch
Pomodoro Timer - Free Online Screensaver Preview

Pomodoro Timer

Free Pomodoro timer with customizable durations, sound alerts, progress ring animation, and session tracking. Boost your

launch
Matrix Rain Screensaver - Free Online Screensaver Preview

Matrix Rain Screensaver

Classic Matrix-style green falling code screensaver with customizable speed, density, colors, and character sets (Kataka

launch
Rain on Window Screensaver - Free Online Screensaver Preview

Rain on Window Screensaver

Relaxing rain on window screensaver with realistic raindrops, lightning flashes, thunder sound, and fog effect. Perfect

launch
Starfield / Space Travel - Free Online Screensaver Preview

Starfield / Space Travel

Hypnotic 3D starfield screensaver with warp speed control, nebula colors, and shooting stars. Travel through space in yo

launch
Custom Text Screensaver - Free Online Screensaver Preview

Custom Text Screensaver

Display custom text fullscreen with animations. Choose bounce, scroll, fade, or float effects. Customizable font size, c

launch
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.

Fake update screens • BSOD prank • Windows update prank • Hacker screen • Ubuntu update • iOS update • Fullscreen prank tools

Windows BSOD Screen

Generate a realistic Windows Blue Screen of Death (BSOD) with authentic error codes, QR code, and CRITICAL_PROCESS_DIED

launch

Windows 10 Update Screen

Simulate a realistic Windows 10 update screen with customizable timing, non-linear progress, and authentic blue interfac

launch

Windows 11 Update Screen

Simulate a realistic Windows 11 update with circular progress ring, dark interface, and Windows logo. Free fullscreen pr

launch

Ubuntu Update Screen

Simulate a realistic Ubuntu Linux system upgrade with terminal output, real package names, and progress tracking. Free f

launch

iOS Update Screen

Simulate a realistic iOS software update with Apple logo, circular progress bar, and phase-based status messages. Free f

launch

Hacked Terminal Screen

Display a dramatic hacker terminal with auto-typing exploit commands, Matrix rain background, and CRT scanline effects.

launch

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 Blå skjerm

A blue screen isolates the blue sub-pixel channel for precise display testing. Blue sub-pixels are typically the smallest and dimmest in most LCD panel technologies, making them the most common source of sub-pixel defects. Testing with pure blue can reveal issues that other colors miss.\n\nBlue light is also important to understand for eye health. Extended exposure to blue light from screens can contribute to digital eye strain and may affect sleep patterns by suppressing melatonin. Testing your monitor's blue output can help you calibrate night mode or blue light filter settings.\n\nFor creative professionals, a blue screen provides cool-toned ambient lighting for photography and video production. It creates a calm, professional atmosphere often used in corporate video backgrounds and product photography.\n\nDisplay calibration experts use blue screens as part of color accuracy testing, comparing the displayed blue against reference values to verify proper color rendering across the sRGB and Adobe RGB color spaces.

Ofte stilte spørsmål – Blå skjerm

Blue sub-pixels are typically smaller and require more power in LCD panels. This makes them more prone to failure compared to red and green sub-pixels.

All screens emit blue light. This tool displays pure blue to test your display. For daily use, enable your OS night mode to reduce blue light in the evening.

Yes. Display calibration involves checking pure red, green, and blue channels. This blue screen helps verify your monitor's blue accuracy against reference values.

Pure sRGB blue (#0000FF) corresponds to approximately 450-490nm wavelength, which is in the blue portion of the visible spectrum.

Relaterte verktøy

Full Screen Color Tool

Display any color fullscreen for testing and ambient lighting.

Video Compressor

Compress videos up to 90% without quality loss. Browser-based.

MP3 Extractor

Extract audio from any video file instantly.

Video Cropper

Crop and resize videos for any social media platform.