Try simple chroma keying
Place the screen behind a small subject to test background removal in editing software.
Free online display tool
Green Screen
Use a clean green display for chroma-key experiments, RGB testing, creative lighting, and distraction-free virtual backgrounds.
No sign-upRuns privatelyWorks on every device
Tap twice or swipe down to exit
Press F
Useful by design
What can you do with a green screen?
One plain color can be surprisingly handy. Here are a few practical ways to use it.
Inspect green subpixels
Uniform green exposes dark pixels, banding, and uneven brightness.
Build a vivid background
Create a bright green backdrop for calls, product shots, or visual effects.
Three quick steps
How to use this full-screen tool
- 1
Choose your color
Use the default green or pick a precise custom shade.
- 2
Open full screen
Tap the main button or press F. iPhone users get an automatic browser-safe fallback.
- 3
Exit when finished
Press Escape, double-tap, or swipe down. Nothing is stored or uploaded.
More colors
Switch the mood in one click
Good to know
Frequently asked questions
Can a monitor work as a green screen?+
For small subjects, yes. Avoid reflections and keep the display evenly visible to the camera.
Which green does this tool use?+
The default is web green (#00A86B), and the fullscreen canvas uses the exact listed color.
Can it test my display?+
Yes. A solid green field helps check green subpixels and color uniformity.
Is a downloaded image watermarked?+
No. Generated PNG backgrounds are clean and created on your device.
Need a background file?
Choose a resolution above and create a clean PNG in seconds.