Is shadcn/ui Theme Generator free?

Yes, shadcn/ui Theme Generator is completely free to use with no signup required.

Does shadcn/ui Theme Generator send my data to a server?

No. shadcn/ui Theme Generator runs entirely in your browser using client-side JavaScript. Your data never leaves your device.

Pick one primary color and get a full shadcn/ui-compatible CSS variable theme for light and dark mode, ready to paste.

DevTab

Never leaves your browser

Generate a shadcn/ui-compatible CSS variable theme (light + dark) from one primary color.

Primary color

Border radius

globals.css

Theme Generated