Monochrome PWA Icon Generator

Monochrome manifest icon support is not universal. Keep ordinary any/maskable icons as fallbacks and test target platforms.

Source image

Luminance threshold

Invert mask selection

Choose an imageThe output uses black RGB with alpha as the shape mask. Manifest purpose="monochrome" support is not universal; keep ordinary icons too.

Explicit icon-tool scope

The generated PNG is an alpha-mask style asset for manifest purpose="monochrome". Support varies, so ordinary any/maskable icons should remain available.

Browser-local processing

Create an alpha-mask style icon and matching purpose="monochrome" manifest entry. Artwork and selected files remain in this browser session.