BackstopJS
Open-source visual regression testing tool that runs Headless Chrome, Puppeteer or Playwright to compare screenshots against baselines.
Our Verdict
Good free starting point for visual regression, but expect to babysit flakes and storage yourself.
Pros
- Free, self-hosted visual regression with headless Chrome
- Config-driven, easy to add to existing CI pipelines
- Built-in HTML reporter with diff viewer
- Supports Puppeteer and Playwright engines
Cons
- Flaky on sites with ads, animations or rolling dates
- No baseline storage service, bring your own git or S3
- Slower than hosted tools like Percy or Chromatic
- Maintenance pace has slowed noticeably
When to Use BackstopJS
Good fit if you need
- Catch CSS regressions with automated screenshot diffing
- Visual regression CI gate on every pull request
- Multi-viewport baseline comparisons for responsive UI
- Approve UI changes via visual diff review workflow
Pricing
Price wrong?BackstopJS Pricing
- Pricing Model
- free
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Project Health
Health Score
6
1.6 years
138d
574
28d
MIT
Last checked: 2026-04-21
Lock-in Assessment
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