Screenshot testing for developers
Ship UI with confidence: find visual regressions early, see the effect of style updates, and prevent bugs across multiple browsers and platforms.
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Trusted by the industry
Happo is used by many tech companies, including Fortune 500 companies in San Francisco, web agencies in Brazil, insurance companies in Japan, and many more.
Happo takes screenshots of your UI components
Find bugs before your code is shipped to production. Visual regression testing with Happo lets you move faster and with more confidence. Use it with Storybook, Cypress, Playwright, or create your own integration.
⨠ happo run
Initializing... ✓
Pre-rendering 1,238 examples... ✓
Waiting for Chrome results... ✓
Waiting for Firefox results... ✓
Done! View results here:
https://happo.io/a/1/report/a5cdf4d
Initializing... ✓
Pre-rendering 1,238 examples... ✓
Waiting for Chrome results... ✓
Waiting for Firefox results... ✓
Done! View results here:
https://happo.io/a/1/report/a5cdf4d
Get notified when bugs are introduced
See the effects of changes directly
Test individual components in isolation
Say goodbye to tedious manual testing
Happo build flow
We provide integrations with developer tools like Storybook, Cypress, GitHub Actions, Circle CI, and others. Focus on writing the code and we will take care of producing consistent screenshots.
Push your code
Happo takes screenshots
Compare with previous versions
Cross-browser and platform agnostic
For web projects, Happo uses Chrome, Firefox, Safari, iOS Safari, and Edge to take screenshots of components. Native apps can integrate directly with the Happo API.
