VizDiff
VizDiff is a streamlined SaaS solution that automates visual regression testing for Storybook components by capturing screenshots during CI process and integrating with GitHub checks to prevent unwanted UI changes before deployment.
https://vizdiff.io/?ref=aipure
Product Information
Updated:May 9, 2025
What is VizDiff
VizDiff is a specialized visual testing tool designed to help frontend developers ensure UI consistency across their applications. Built specifically for Storybook components, it offers an accessible and affordable solution for teams looking to implement automated screenshot testing without the complexity and high costs associated with more feature-heavy alternatives. The platform provides a 14-day free trial with no credit card required and can be easily canceled at any time.
Key Features of VizDiff
VizDiff is a streamlined SaaS solution specifically designed for visual regression testing of Storybook components. It automates the process of capturing screenshots during CI/CD, compares them pixel-by-pixel to detect unwanted UI changes, and integrates with GitHub Checks to prevent visual regressions before code merges. The tool is built to be accessible and affordable for frontend developers and small teams.
Automated Screenshot Capture: Automatically captures screenshots of Storybook components during CI process without manual intervention
GitHub Integration: Seamlessly integrates with GitHub Checks and Pull Requests for streamlined review workflow
Pixel-Perfect Comparison: Provides detailed pixel-by-pixel diff analysis to highlight visual changes between versions
Team Collaboration Features: Enables teams to share baselines and review results collectively
Use Cases of VizDiff
Frontend Development Teams: Helps development teams catch unwanted UI changes before they reach production
Small Startups: Provides affordable visual testing solution for bootstrapped startups with limited resources
Component Library Maintenance: Ensures consistency across UI component libraries through automated visual testing
Pros
Easy setup and integration with existing tools
Cost-effective solution for small teams
Streamlined and focused feature set
Cons
Limited to Storybook components only
May lack advanced features found in more expensive alternatives
How to Use VizDiff
Connect GitHub Repository: Link your GitHub repository to VizDiff by authorizing access through GitHub. This initial setup process takes only a few minutes.
Configure Storybook: Set up Storybook to automatically push screenshots during the CI process. This ensures your visual tests run without manual intervention.
Add GitHub Action: Install and configure the VizDiff GitHub Action in your repository to enable automatic screenshot capture on every commit.
Upload First Storybook Build: Upload your initial Storybook build to establish the baseline for future comparisons.
Review Visual Changes: Use VizDiff's intuitive interface to review visual differences between versions. The tool highlights pixel-level changes for easy identification.
Approve or Reject Changes: Review the highlighted differences in Pull Requests and either approve or reject the visual changes through GitHub Checks.
Team Collaboration: Share the baseline screenshots and review results with your team members for collaborative decision-making on UI changes.
VizDiff FAQs
VizDiff is a visual regression testing tool specifically designed for Storybook components that automatically captures screenshots and compares them to prevent UI inconsistencies before they reach production.
VizDiff Video
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