Green Screen Simulator
A solid green screen for chroma key compositing or testing monitor colors. Select configurations from the dashboard below, preview it live, and start the simulation in fullscreen!
Sandbox Preview
Configure Simulation
Duration of the simulated progress to reach 100%
Starting completion status percentage
Other Screen Simulators View All Screens →
Your PC ran into a problem and needs to restart. We're just collecting some error info...
For more info and fixes, visit windows.com/stopcode
Stop code: CRITICAL_PROCESS_DIED
Simulate a realistic Windows 10 Blue Screen of Death (BSOD) with a fake progress percentage.
Generate static white noise with a visual TV static simulator.
Generate calming pink noise with a visual pink static simulator.
Generate deep brown noise with a visual brown static simulator.
Prank your friends with a realistic cracked screen, LCD bleeding, and glass breaking sounds.
An interactive sweeping radar screen simulator with sonar pings and impact blips.
A problem has been detected and Windows has been shut down to prevent damage.
UNMOUNTABLE_BOOT_VOLUME
If this is the first time you've seen this Stop error screen, restart.
Technical Information:
*** STOP: 0x000000ED (0x80F14030, 0xc0000006)
Physical memory dump complete.
Simulate a classic Windows XP Blue Screen of Death with UNMOUNTABLE_BOOT_VOLUME error.
> mount /dev/sda1
> loading core.bin...
Look like a pro hacker. Auto-typing code with green text on a black terminal.
Your PC ran into a problem and needs to restart. We're just collecting some error info, and then we'll restart for you.
For more information about this issue and possible fixes, visit https://www.windows.com/stopcode
If you call a support person, give them this info:
Stop code: CRITICAL_PROCESS_DIED
A problem has been detected and Windows has been shut down to prevent damage to your computer.
UNMOUNTABLE_BOOT_VOLUME
If this is the first time you've seen this Stop error screen, restart your computer. If this screen appears again, follow these steps:
Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manufacturer for any Windows updates you might need.
If problems continue, disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use Safe Mode to remove or disable components, restart your computer, press F8 to select Advanced Startup Options, and then select Safe Mode.
Technical Information:
*** STOP: 0x000000ED (0x80F14030, 0xc0000006, 0x00000000, 0x00000000)
Beginning dump of physical memory...
Physical memory dump complete. Contact your system administrator or technical support group for further assistance.
Working on updates 0% complete.
Don't turn off your PC. This will take a while.
Your PC will restart several times.
Installing Windows XP
Setup is preparing your computer to run the operating system.
About 25 minutes remaining
Ubuntu 22.04 LTS
Installing system updates... (0%)
Updating your device...
Please do not turn off or unplug your Chromebook.
0% complete
"The best way to predict the future is to create it."
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Solid Green Screen Online & Chroma Key Light Box
Display a solid, vibrant green screen across your entire monitor or mobile device. This tool is perfect for content creators, video editors, and designers who need a quick chroma key backdrop or a pure green light source for color testing.
A clean green screen is also handy for calibrating monitor color outputs, verifying panel uniformity, and identifying stuck subpixels. Running it in full screen ensures that no other colored icons or borders interfere with your task.
Our green screen is free, web-based, and compatible with all modern browsers. Simply open this page on your screen, enter fullscreen mode, and start editing or calibrating immediately.
Frequently Asked Questions
Learn how to set up and use the Green Screen simulator on phones, TVs, laptops, and tablets.
Can I use this for chroma key video effects?
Yes, you can use a large monitor or TV displaying this solid green screen as a small backdrop for keying out objects in video editing software.
How do I test for stuck subpixels?
A solid green screen activates all green subpixels. Inspect the display for any dots that appear dark, white, or another color.
How do I exit the green screen?
Double-click on the screen or press Escape (ESC) to close the fullscreen view.