How it works
Instead of adding a dependency, you run the shadcn CLI and it writes each component's source file into your project. The components are styled with Tailwind CSS and built on accessible headless primitives, so keyboard use, focus handling and screen-reader labels are taken care of. Because the code is yours, changing a variant or restyling a dialog is an ordinary edit.
shadcn/ui launched on Radix UI in 2023. It later added Base UI, a newer headless library from some of the people who created Radix, and made it the default for new projects in 2026, while Radix stays fully supported. Registries let other teams publish components that install the same way, and AI coding tools often generate shadcn-style code, which has made it a common starting point for React apps.
shadcn/ui pros and cons
Pros
- You own the code, so there is no library upgrade to wait for
- Accessible behaviour comes from well-tested primitives
- Clean, neutral design that is easy to theme
- Large ecosystem of registries, blocks and templates
Cons
- Updates are not automatic; improvements must be pulled in by hand
- Made for React and Tailwind (community ports exist for other frameworks)
- Many sites end up looking alike unless the theme is changed
When to use shadcn/ui
Pick it when
- React and Next.js apps that need a solid component set quickly
- Teams that want full control over component code
- Admin panels, dashboards and SaaS interfaces
Skip it when
- A project that does not use React and Tailwind
- You want a fully managed library that you simply upgrade
shadcn/ui pricing
shadcn/ui vs the alternatives
Related terms
More in Frontend
Styling and UI kits