Lost Pixel
UnclaimedHolistic visual regression testing in the cloud for confident frontend development.
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TL;DR - Lost Pixel
- Open-source visual regression testing platform for frontend teams.
- Integrates with GitHub, Storybook, Next.js, and Playwright for automated visual testing.
- Catches visual bugs across browsers and breakpoints with a streamlined review process.
Pricing: Free plan available
Best for: Growing teams
Pros & Cons
Pros
- Open-source core allows for free usage and custom workflows.
- Seamless integration with GitHub actions for easy setup.
- Supports existing development tools like Storybook, Next.js, and Playwright.
- Offers advanced features like element masking, custom code execution, and flakiness mitigation.
- Provides a clear and affordable pricing model, including a generous free tier.
Cons
- Currently only integrates with GitHub, not other Git providers.
- Requires some technical setup for integration with existing projects.
Preview
Key Features
First-class GitHub integration with automatic status checksComposition with Storybook, Next.js, and PlaywrightStreamlined visual review flow (approve, reject, comment)Masking of unneeded elements in screenshotsExecution of custom browser code (CSS/HTML adjustment)Configurable thresholds (absolute & relative) per screenshot or globallyMultiple browser execution for visual regression detectionMultiple breakpoint execution for responsive design testing
Pricing Plans
Free
Free
- 7 000 screenshots per month included
- Unlimited collaborators
- Monorepo support
- Anti-flakiness measures
- First class GitHub integration
Startup
$100
- 40 000 screenshots
- $0.006 per screenshot
Business
$250
- 100 000 screnshots
- $0.005 per screenshot
Scale
$670
- 300 000 screenshots
- $0.004 per screenshot
What is Lost Pixel?
Lost Pixel is an open-source visual regression testing platform designed to help engineering teams ship frontend changes with confidence. It catches visual bugs before they reach users by comparing screenshots of UI components and pages across different states, browsers, and breakpoints. The platform integrates seamlessly with GitHub, providing automated status checks and a streamlined review flow for visual changes.
Built by engineers who faced real-world challenges in maintaining visual consistency, Lost Pixel is an alternative to tools like Percy and Chromatic. It allows users to leverage existing Storybook, Next.js, and Playwright setups for writing visual tests. The platform is suitable for projects of various sizes and stacks, offering features like element masking, custom CSS/HTML execution, threshold setting, parallel execution, and flakiness mitigation. It aims to provide a balance of convenience, features, and pricing, with a strong commitment to supporting open-source projects.
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Lost Pixel FAQ
What is Lost Pixel?
Lost Pixel is an open-source visual regression testing cloud platform that helps frontend teams catch visual bugs in their UI components and pages before they reach users. It compares screenshots across different states, browsers, and breakpoints, integrating with tools like GitHub, Storybook, Next.js, and Playwright.
How much does Lost Pixel cost?
Lost Pixel offers a freemium model. There is a Free plan for open-source projects and small projects, including 7,000 screenshots per month. Paid plans start at $100/month for the Startup plan (40,000 screenshots), $250/month for Business (100,000 screenshots), and $670/month for Scale (300,000 screenshots). Additional shots above quota are charged per shot.
Is Lost Pixel free?
Yes, Lost Pixel offers a Free plan that includes 7,000 screenshots per month, unlimited collaborators, monorepo support, anti-flakiness measures, and first-class GitHub integration. It is free for open-source projects and small personal projects.
Who is Lost Pixel for?
Lost Pixel is for engineering teams, particularly frontend developers and design system teams, who want to ensure visual consistency and prevent UI regressions in their web applications. It's suitable for projects using Storybook, Next.js, Playwright, or any other setup requiring visual testing, from small startups to large enterprises.
Source: lost-pixel.com