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Shadcn Combobox

React combobox component with searchable dropdowns and autocomplete. Built with TypeScript and Tailwind CSS for Next.js using Popover and Command.

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Ever watched users scroll through a dropdown with 200 countries just to find "United States"? Or seen them give up on your framework selector because finding "React" in an alphabetical list feels like punishment? Yeah, regular dropdowns break down with lots of options. This shadcn/ui combobox lets users type to filter instantly.

Combobox showcase

Search and select without the endless scrolling:

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Built using Popover and Command components for perfect search functionality. Styled with Tailwind CSS so it matches your design system instead of looking like a generic autocomplete widget.

npx shadcn@latest add combobox

Why comboboxes actually solve selection problems

Here's the thing—dropdowns work great for 5-10 options. Beyond that, they become user torture devices. Users either scroll forever or rage-quit your form. Comboboxes fix this by letting users type what they want instead of hunting through lists.

Think about GitHub's repository search or Slack's emoji picker. Users type a few letters and instantly see relevant options. No scrolling, no hunting, no frustration. That's the power of searchable selection.

This free shadcn combobox combines the best parts—click to see all options like a dropdown, type to filter like search. Whether you're building team member selectors, technology pickers, or location choosers in your JavaScript apps, comboboxes that respond instantly keep users happy.

Common combobox patterns you'll actually use

Status and workflow management

Perfect for project management interfaces:

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Multi-action dropdown menus

When selection includes additional actions:

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Responsive mobile design

Adapts interface for mobile screens:

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Form integration and validation

Works with React Hook Form and validation:

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Features

This free open source combobox component includes everything you need:

  • TypeScript-first - Full type safety with proper option types and selection handling
  • Command palette powered - Built on shadcn Command component for instant search
  • Popover positioning - Smart dropdown placement that doesn't break layouts
  • Tailwind CSS styled - Customize with utilities, not fighting component CSS
  • Keyboard accessible - Arrow keys, Enter, Escape work exactly as expected
  • Mobile optimized - Touch-friendly with responsive design patterns
  • Async search support - Handles API calls and loading states gracefully
  • Empty state handling - Clear messaging when no options match search

Component Architecture

The combobox combines multiple components for complete functionality:

ComponentPurposeKey Features
PopoverDropdown positioningClick outside to close, smart placement
PopoverTriggerSelection buttonShows current selection, click to open
PopoverContentDropdown containerScrollable, sized appropriately
CommandSearch and filteringInstant filtering, keyboard navigation
CommandInputSearch input fieldDebounced search, placeholder text
CommandListScrollable optionsVirtualized for performance
CommandItemIndividual optionClick to select, hover states
CommandEmptyNo results stateShown when search finds nothing

See Popover and Command documentation for detailed props.

Production tips

Placeholder text guides behavior. This free shadcn/ui combobox looks like a regular dropdown until users interact with it. Use placeholders like "Search frameworks..." or "Select country..." to hint that typing filters options. Your React component works perfectly—users just need to know they can type.

Debounce API searches properly. If you're fetching options from an API, wait 300-500ms after users stop typing before searching. This TypeScript component handles the UI state—you handle the network efficiency. Nobody wants to spam your server with requests for "R", "Re", "Rea", "Reac", "React".

Empty states need personality. When search returns no results, show helpful messages like "No frameworks found" instead of generic "No results". This open source shadcn component handles the display—you provide the context that actually helps users.

Close on selection makes sense. Most users expect the dropdown to close after picking something. For multi-select scenarios, keep it open. Single selection? Close immediately. Your Next.js app should match user expectations, not fight them.

Mobile needs special consideration. Tiny search inputs are hard to tap, and virtual keyboards eat screen space. The responsive patterns help, but test on real devices. Your JavaScript combobox should work smoothly with thumbs, not just mouse cursors.

Integration with other components

Comboboxes naturally extend your existing shadcn components in React applications. Use Button components as custom triggers with icons and loading states. Combine with Form components for validation and error handling.

For complex interfaces, nest comboboxes within Card components to create organized selection sections. This open source pattern works well for configuration panels and settings screens.

When building data tables, pair comboboxes with Table components for filterable column headers. Badge components work perfectly to show selected options in multi-select scenarios. Your JavaScript components stay focused while providing rich interaction patterns.

Questions you might have