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Show HN: Shadcn/UI theme editor – Design and share Shadcn themes

115

Hey, I built https://ShadcnThemer.com - a web app for creating and sharing themes for shadcn/ui, made with my some of my favorites, Next.js 15, Tailwind CSS 4, Drizzle ORM, and Supabase.

The goal was to make it easy to visually design shadcn color themes, preview them live across various example UIs, and export them straight into your projects (as CSS or via the shadcn CLI registry command).

I had a bit of experience going into this because I built the Theme Studio for VS Code in the past, but it was fun using a modern stack and leveraging Cursor to help me along the way this time.

GitHub: https://github.com/miketromba/shadcn-themer

I tried to open different themes in tabs for comparison, but I would have to first open each one and then manually copy the URL into a new tab because you implemented your links as <button> (which prevents both middle-click and 'open in new tab' context menu option to work).

14 hours agoby lavela

>Sign in or create an account with your email

Into the trash it goes.

15 hours agoby meindnoch

Thanks for sharing! What's the difference between your app and tweakcn?

edit: would also love to be able to open preview on new tabs with middle-click.

16 hours agoby slig

8 hours agoby sreekanth850

The only changes I see are colors but what if I want eg a different border radius on buttons or margin on labels or specific fonts on elements etc? I don’t find changing only the colors of components particularly valuable but would like to see more variance in the actual shapes and looks of things.

15 hours agoby jzig