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🕶️ A curated list of resources around the topic: visual regression testing
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Awesome Visual Regression Testing Awesome

Curated list of awesome visual regression testing resources.

Regression testing is a type of software testing which verifies that software which was previously developed and tested still performs the same way after it was changed or interfaced with other software. The purpose of regression testing is to ensure that changes to the software have not introduced new faults.


This is intended to be an incomplete list of resources about visual regression testing. It is not tailored to a specific area or role (Developer/QA/UX-Designer). Note that this is for all areas of regression software testing after the code in question is written. For a awesome list on general software testing see e.g. awesome-testingstars919.

Finally, I'm sure everyone who reads this list has one thing they want to add. Please read the How to Contribute page and Feel free to add to the list!!. If you think this is helpful Please give a Star ★.


General information

Browser automation

Tools and frameworks

Online services

  • BrowserStack - Free for Open Source. Supports Selenium Webdriver.
  • HeadSpin - HeadSpin's Regression testing gives you a powerful comparison tool for analysing degradation across new app builds, OS releases, feature additions, locations, and more.
  • LambdaTest - Perform Automated and Live Interactive Cross Browser Testing on 2000+ Real Browsers and Operating Systems Online.
  • - For React, looks open source.
  • applitools - Cloud base visual tests.
  • - Continuous visual reviews for web apps.
  • - Cloud based automation testing platform for web and mobile UI.
  • browserling - LIVE interactive cross-browser testing.
  • Browser Shots - Screenshots only.
  • Ghost Inspector - See introduction video.
  • CrossBrowserTesting - Manual & exploratory testing on 1500+ real browsers and mobile devices.
  • Argos-CI - Automate visual regression testing.
  • Diffy - Cloud based visual regression tool. Uses puppeteer and proprietary comparison algorithm (detect layout shifts). Great scalability with AWS Lambda.
  • Chromatic - Visual testing and UI review for component libraries. Cloud-based. Video
  • - Flexible visual regression testing service.
  • Happo - Cloud-based screenshot testing service with support for multiple browsers.
  • Visual Knight - Cloud-based visual testing platform with realtime results for testing tools.
  • Axcept - Testing for the whole team. Up to 100 tests in parallel. Endpoint Mocking. Code Coverage.
  • Fluxguard - Screenshot pixel and DOM change comparisons and regressions.
  • Vidiff - Cloud-based visual regression testing across stages.
  • Reflect - Visual regression testing and test automation tool.
  • Visual Regression Trackerstars403 - Open Source selfhosted service for visual regression testing
  • Micoostars148 - Open source service for all UI application visual regression solution
  • TestingBot - Provides +3600 browsers to run automated visual tests. Free for Open Source.
  • Preflight - Easiest Visual regression testing and Automated Web Testing tool. (Limited) free use.
  • Preflight: Cypress Recorder - Create AI-powered Cypress Tests/POM models in your browser and automate Email & Visual testing for Cypress.

Blog posts

Slideshows, talks and videos


The following projects are no longer maintained actively but are still worth mentioning because of their user base.



See the Contribution Guide for details on how to contribute.

Code of Conduct

See the Code of Conduct for details. Basically it comes down to:

In the interest of fostering an open and welcoming environment, we as

contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.



This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. License holders are all contributors.


  1. Awesome Visual Regression Testing Awesome
  2. Foreword
  3. Contents
  4. General information
  5. Browser automation
  6. Tools and frameworks
  7. Online services
  8. Blog posts
  9. Slideshows, talks and videos
  10. Deprecated
  11. Miscellaneous
  12. Contributing
  13. Code of Conduct
  14. License
Last Checked At: 2022-06-24T19:15:29.582Z


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