Storybook is a frontend workshop for developing, testing, and documenting UI components in isolation. It renders components outside your app in a dedicated browser environment and supports React, Vue, Angular, Svelte, Web Components, and many other frameworks through a pluggable addon ecosystem.
Storybook is a development environment that renders UI components in isolation as cataloged 'stories', enabling teams to build, document, and test components separately from the host application. It is framework-agnostic with first-class support for most major frontend frameworks.
When to use storybook
Use it when building or maintaining a component library or design system, when you want a living catalog of UI states for designers and QA, when you need interaction/accessibility/visual regression testing tied to component states, or when documenting components for distributed teams.
When not to
Overkill for tiny apps with few reusable components or quick prototypes. If you only need integration/end-to-end tests, Playwright or Cypress are more direct. For a lighter, Vite-native catalog with less configuration overhead, Histoire or Ladle may be simpler. It also doesn't replace a full docs site for non-component content.
Strengths
Broad framework coverage (React, Vue, Angular, Svelte, Web Components, Solid, Qwik, mobile) under one tool
Mature, extensive addon ecosystem for docs, a11y, interactions, viewports, and visual testing
Encourages component-driven development and serves as a shared artifact across dev/design/QA
Strong integration with visual regression (Chromatic) and interaction/play testing
Large community, thorough documentation, and industry-standard adoption
Trade-offs
Configuration and build setup can become heavy and slow on large projects
Frequent major-version migrations have historically required non-trivial upgrade work
Maintaining stories adds ongoing authoring overhead that teams must commit to
Bundle and dependency footprint is significant compared to lightweight alternatives
Addon quality and compatibility can vary, especially around major releases
Maturity
Highly mature and production-proven, used by thousands of teams including major companies. Very actively maintained with a large core team, sponsor/backer funding, regular releases, and a vibrant addon and community ecosystem. Effectively the de facto standard for component workshops.
Use storybook.new to quickly create an example project in Stackblitz.
Storybook comes with a lot of addons for component design, documentation, testing, interactivity, and so on. Storybook's API makes it possible to configure and extend in various ways. It has even been extended to support React Native, Android, iOS, and Flutter development for mobile.
Addonsa11yTest components for user accessibility in StorybookactionsLog actions as users interact with components in the Storybook UIbackgroundsLet users choose backgrounds in the Storybook UIcssresourcesDynamically add/remove CSS resources to the component iframedesign assetsView images, videos, and weblinks alongside your storydocsAdd high quality documentation to your componentseventsInteractively fire events to components that respond to EventEmittergoogle-analyticsReports google analytics on storiesgraphqlQuery a GraphQL server within Storybook storiesjestView the results of components' unit tests in StorybooklinksCreate links between storiesmeasureVisually inspect the layout and box model within the Storybook UIoutlineVisually debug the CSS layout and alignment within the Storybook UIquery paramsMock query paramsviewportChange display sizes and layouts for responsive components using Storybook
To continue improving your experience, we have to eventually deprecate or remove certain addons in favor of new and better tools.
If you're using info/notes, we highly recommend you migrate to docs instead, and here is a guide to help you.
If you're using contexts, we highly recommend you migrate to toolbars and here is a guide to help you.
If you're using addon-storyshots, we highly recommend you migrate to the Storybook test-runner and here is a guide to help you.
Badges & Presentation materials
We have a badge! Link it to your live Storybook example.
[](link to site)
If you're looking for material to use in your Storybook presentation, such as logos, video material, and the colors we use, you can find it all on our brand repo.