CSS Designer Share Tool

A webapp that lets designers quickly add CSS styling to any website and share the customized result with others. Solves the problem of designers needing an easy way to showcase CSS modifications without complex setup. Target users are web designers, developers, and design teams.

CSS injection and live-preview tooling has existed for years — browser devtools, Stylus/Stylish extensions, and CodePen all cover significant parts of this workflow, meaning the target user already has free, deeply embedded alternatives. The design collaboration space is dominated by Figma, which has absorbed much of the "share a visual change with your team" use case, even if it doesn't handle live CSS on production sites directly. Without a clear monetization hook — charging designers is notoriously hard, and teams already pay for Figma — the revenue path is murky at best, which is why the revenue band is unknown. The core failure risk is low perceived switching value: a designer can open devtools, tweak CSS, screenshot it, and share the image in under a minute, so the bar for "easier than that" is extremely high and narrow.