Set a timer for fullscreen display. Useful for timed screen tests and ambient lighting sessions.
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
Beautiful digital clock screensaver with 10 color themes, 4 fonts, glow effects, and Wake Lock API. Runs fullscreen in y
Free Pomodoro timer with customizable durations, sound alerts, progress ring animation, and session tracking. Boost your
Classic Matrix-style green falling code screensaver with customizable speed, density, colors, and character sets (Kataka
Relaxing rain on window screensaver with realistic raindrops, lightning flashes, thunder sound, and fog effect. Perfect
Hypnotic 3D starfield screensaver with warp speed control, nebula colors, and shooting stars. Travel through space in yo
Display custom text fullscreen with animations. Choose bounce, scroll, fade, or float effects. Customizable font size, c
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
Generate a realistic Windows Blue Screen of Death (BSOD) with authentic error codes, QR code, and CRITICAL_PROCESS_DIED
Simulate a realistic Windows 10 update screen with customizable timing, non-linear progress, and authentic blue interfac
Simulate a realistic Windows 11 update with circular progress ring, dark interface, and Windows logo. Free fullscreen pr
Simulate a realistic Ubuntu Linux system upgrade with terminal output, real package names, and progress tracking. Free f
Simulate a realistic iOS software update with Apple logo, circular progress bar, and phase-based status messages. Free f
Display a dramatic hacker terminal with auto-typing exploit commands, Matrix rain background, and CRT scanline effects.
Rapidly cycle through colors to help fix stuck pixels. Run for 20–30 minutes for best results.
Display a moving pattern to detect and reduce OLED burn-in artifacts on your screen.
Display smooth gradients to check for color banding and bit-depth issues on your monitor.
Display pixel-level checkerboard patterns to test monitor sharpness and pixel response.
Flash rapid black/white transitions to evaluate pixel response time and ghosting.
Display color bands to help evaluate your monitor's viewing angle consistency.
Display 50% gray to reveal backlight hotspots, clouding, and brightness non-uniformity.
Display reference color swatches to compare against known standards for calibration checks.
Detect connected displays and open fullscreen color on all screens simultaneously.
<p>黑色屏幕工具将整个屏幕填充为纯黑色。它适用于OLED屏幕的像素烧屏测试、IPS漏光检测和创建暗室环境等多种用途。</p><p>OLED和AMOLED屏幕在黑色背景下显示真正的黑色,因为像素完全关闭。这一特性使黑色屏幕成为检测常亮像素和背光问题的完美测试工具。</p><p>IPS显示器中漏光是常见问题。在黑暗的房间中打开黑色屏幕,检查屏幕边角是否有光线渗透。购买新显示器时进行此测试非常重要。</p><p>黑色屏幕还能节省能源,特别是在OLED屏幕上,因为像素关闭不消耗电力。在演示切换间隙或需要保持屏幕活跃但不需要显示内容时也很有用。</p>
关闭室内灯光,启用全屏黑色,检查屏幕边缘。漏光表现为边角或边缘的明亮区域。
是的,OLED屏幕上黑色像素完全关闭,这显著降低了能耗。
可以,将屏幕设为全黑可以最大限度减少房间内的光污染。在需要黑暗环境的情况下很有用。
常亮像素是持续发亮的像素。在黑色背景上它们显示为小亮点,很容易被发现。
OLED屏幕通过完全关闭像素产生真正的黑色。LCD屏幕通过阻挡背光产生黑色,因此可能看起来接近深灰色。