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Card 390 of 9802026-09-27 issue

Observed arrival · 2026-09-27

Green Screen Remover, with the knobs exposed

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Editorial interest 78/100 Selection signal · not a rating of the site

A free in-browser tool that removes a green or blue screen from a still image and exports a transparent PNG.

Landing page captured for the 2026-09-27 issue.
For
People making still-image cutouts from green- or blue-screen photos
Worth noticing
Its explanation names Y/Cb/Cr chroma distance and a straight alpha ramp; exports retain the loaded image’s pixel dimensions.

Field notes

The page exposes key colour, tolerance, edge softness, and spill-removal controls, with green and blue presets plus an eyedropper. Its explanation describes converting pixels to Y/Cb/Cr, measuring chroma distance, and applying a linear alpha ramp across the softness band. It says exports keep the source pixel dimensions; support for formats beyond JPEG and PNG depends on the browser’s decoder, while very large files are limited by device memory.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use

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Landing page observed 2026-09-27. The live site may have changed.