Green Screen Tuner

Drop a video here, or click “Load Video”.

The green background is keyed out live on the GPU. Tune the sliders on the right.

loop

Chroma key

minGreen

Green channel must exceed this before a pixel is considered background.

greenBias

How much green must dominate red & blue. Higher = only strong green removed.

greenDominance

Min (green − max(red,blue)). Raise to protect greenish skin/hair.

saturation

Min saturation to key. Raise to keep dull/gray pixels.

softness

Edge feather. Higher = softer, smoother alpha edge.

spill

Green spill suppression on kept edge pixels (desaturates green fringe).

Presets

Preview background

Image

Preview only — export keeps a real transparent background.

Current settings

Copy these into your chroma-key config. If green still isn't clean at any setting, the source needs a more even green — regenerate the source flatter.