shadcn/ui – Customizable React UI Component Collection

Overview

shadcn/ui offers a collection of UI components designed for building modern React applications. Established in 2023, it operates on a different paradigm than many traditional component libraries. Instead of providing a single package to install and import, shadcn/ui encourages developers to copy and paste component code directly into their projects. This approach provides developers with direct control over the component's source code, facilitating deep customization and avoiding potential dependency bloat. The project specifically targets developers who prioritize high levels of customization and seamless integration with Tailwind CSS for styling.

The core philosophy behind shadcn/ui is to provide 'unstyled' components built on top of Radix UI's headless components. Radix UI focuses on providing low-level, unstyled components that handle accessibility and interaction logic, leaving the visual styling entirely to the developer. This architectural choice means that shadcn/ui components are not opinionated about their appearance, allowing developers to apply their own design system using Tailwind CSS utility classes or custom CSS. This makes shadcn/ui particularly well-suited for projects requiring unique branding or specific design requirements that might be challenging to achieve with more opinionated component libraries like MUI (Material UI), which often come with pre-defined styles.

Developers using shadcn/ui benefit from a CLI tool that automates the process of adding components to a project. This tool fetches and integrates the component code, including its dependencies and styling, into the local codebase. This method means that once a component is added, it becomes part of the project's source, reducing the risk of breaking changes from library updates and enabling direct modification. The emphasis on local control and direct code access makes shadcn/ui a strong choice for teams who prefer to own and manage their UI component source code entirely, rather than relying on external packages for every UI element.

The library is best for building modern React applications where a high degree of customization is desired, particularly when integrating with Tailwind CSS. Its headless component architecture ensures that accessibility features are handled by Radix UI, allowing developers to focus on visual implementation. This makes it suitable for projects ranging from marketing websites to complex dashboards, where a consistent and custom UI is a priority.

Key features

• Copy-and-Paste Component Integration: Developers add components by copying their source code directly into the project, rather than installing them as a dependency. This allows for full ownership and customization of the component's logic and styling.
• Headless Components with Radix UI: Leverages Radix UI primitives to handle accessibility, state management, and interaction logic, while remaining unstyled. This separation allows developers to control the visual presentation entirely.
• Tailwind CSS Integration: Components are designed to be styled using Tailwind CSS utility classes, providing a highly efficient and customizable styling workflow.
• CLI Tool for Component Management: A command-line interface simplifies the process of adding, updating, and removing components from a project, automating the code integration process.
• TypeScript Support: All components are written in TypeScript, offering type safety and improved developer experience through autocompletion and error checking.
• Theming Flexibility: Due to its headless nature and Tailwind CSS integration, shadcn/ui offers extensive theming capabilities, allowing developers to match any design system.
• Open Source: The entire collection is free and open source, promoting community contributions and transparency.

Pricing

shadcn/ui is entirely open source and free to use. There are no licensing fees, subscriptions, or paid tiers associated with its components or tools.

Pricing as of June 2026.

Common integrations

• Next.js: shadcn/ui components are frequently used in Next.js applications, benefiting from its server-side rendering and routing capabilities.
• Create React App: Components can be integrated into projects initialized with Create React App for client-side React development.
• Vite: Compatible with Vite-powered React projects, leveraging its fast build and HMR features.
• Tailwind CSS: Core to the shadcn/ui ecosystem, components are designed to be styled exclusively with Tailwind CSS.
• Radix UI: shadcn/ui components are built on top of Radix UI's headless primitives, inheriting their accessibility and interaction logic.
• TypeScript: All components are written in TypeScript, enabling type-safe development.

Alternatives

• MUI (Material UI): A comprehensive React UI library implementing Google's Material Design, offering a wide range of pre-styled components.
• Chakra UI: A modular and accessible component library for React, providing a set of styled components that are easily customizable.
• Ant Design: An enterprise-class UI design system for React, offering a rich set of components for building complex applications.
• React Bootstrap: Rebuilds Bootstrap components with React, providing a familiar styling framework with React functionality.

Getting started

To begin using shadcn/ui, you typically initialize a React project and then use its CLI tool to add components. The following example demonstrates setting up a basic Next.js project and adding a button component:

# 1. Create a new Next.js project
npx create-next-app@latest my-app --typescript --eslint --tailwind --app --src-dir --import-alias "@/*"
cd my-app

# 2. Initialize shadcn/ui in your project
npx shadcn-ui@latest init

# Follow the prompts to configure: 
#   - Are you using TypeScript (yes)
#   - Which style would you like to use (default or New York - choose default)
#   - Which color would you like to use as base color (slate)
#   - Where is your global CSS file (src/app/globals.css)
#   - Would you like to use CSS variables for colors (yes)
#   - Where is your tailwind.config.ts located (tailwind.config.ts)
#   - Configure the import alias for components (e.g., @/components)
#   - Configure the import alias for utils (e.g., @/lib/utils)
#   - Are you using React Server Components (yes)

# 3. Add a button component
npx shadcn-ui@latest add button

# This command will add the Button component's code to your project 
# (e.g., to src/components/ui/button.tsx and update relevant files).

# 4. Use the button in your application (e.g., in src/app/page.tsx)

// src/app/page.tsx
"use client";

import { Button } from "@/components/ui/button";

export default function Home() {
  return (
    <div className="flex min-h-screen flex-col items-center justify-center p-24">
      <Button onClick={() => alert("Button clicked!")}>Click Me</Button>
    </div>
  );
}

After these steps, you can run your Next.js application with npm run dev or yarn dev, and you will see a styled button rendered on your page. Future component additions follow the same npx shadcn-ui@latest add <component-name> pattern.