Visual testing for Storybook, Playwright, & Cypress. Improving the UX of the Internet. Core maintainers of @StorybookJS.

CI/CD
🚀 Chromatic's Accessibility Testing & Dashboard are now live! Powered by Storybook & axe, we're making accessibility compliance seamless across your entire dev lifecycle—without slowing you down.
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Chromatic for @vitest_dev Browser Mode is live. 🧪📸 Browser Mode runs your component tests in a real browser. Now Chromatic checks how those components look by capturing the rendered UI. No new screenshot assertions. No second suite to maintain. 🧵 (1/4)
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Run your tests as usual. Chromatic then: ✔️ Compares snapshots across stable cloud browsers ✔️ Runs every browser and viewport in parallel ✔️ Surfaces visual changes in your PR for team review ✔️ Stores the full rendered UI behind every diff (3/4)
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iOS is now available for React Native visual testing on Chromatic 📱 Chromatic now builds your Storybook app for iOS and runs your visual tests on the iOS simulator. 👉 Request beta access to get started: hubs.li/Q04wr_Wn0
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This month we’re rolling out two changes to help you test more with fewer snapshots: 🔀 Builds that don’t touch UI are now free 📊 New Trends dashboard to help you investigate snapshot usage spikes Read the full changelog 👇
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Our upcoming public API lets agents test their own frontend work, diagnose what failed, and fix it in the same loop. Join Jarel Fryer and Varun Vachhar for a live preview and our roadmap for agents. Register in comments 👇
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Flaky tests shouldn't block your build. Meet Flake filter: Chromatic now auto-detects unstable tests, so you can focus on real changes without getting blocked by flakes. 🧵
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Bonus: you can now ignore any test manually too. New story not ready for review? Weird diff after a rebase? Set it aside, come back later.
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Chromatic retweeted
The frontend bottleneck is no longer code generation. It's now reviewing the output of an agent. Storybook's building two key fixes: ✅ Claude Code + Codex plugins ✅ Agentic review to surface key changes Join Storybook team for a live walkthrough + Q&A. Register in comments 👇
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Chromatic retweeted
Visual bugs don't always show up in your test suite. Today, Kyle Gach from @chromaticcom shares how visual testing complements Vitest Browser Mode, helping catch the layout, styling, and responsive regressions that traditional component tests can miss. Worth a read if you're already using Vitest Browser Mode or planning to adopt it. Early access to the new plugin is now open: tympanus.net/codrops/?p=1167…
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Get first access to our @vitest_dev plugin, which adds Chromatic’s visual testing and review to your browser tests. It’s built by Ari Perkkio, a Vitest core maintainer. It’s free to use while in beta and requires no changes to your test files. Read on for more info 🧵
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Vitest already has visual testing. How is this better? ✔️ Fast and reliable servers consistently snapshot components in parallel ✔️ Automatically detect and reduce flakiness ✔️ Review and debug the real code behind your components, not screenshots
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Why should I sign up for the early access program? ✔️ You (want to) test UI components with Browser Mode ✔️ You want hands-on support and free snapshots while in beta ✔️ You want to shape the experience to fit real needs Learn more and sign up here: chromatic.com/blog/vitest-vi…
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