AI-Powered Smart Visual UI Testing Cloud

AI-Powered Automated Smart Visual UI Testing across 3000+ desktop and mobile environments. Deliver seamless digital experiences every time.

Trusted by 2M+ users globally

Selenium Testing



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PDF File Comparison With SmartUI

Ensure the quality and accuracy of your PDF documents. Validate PDF files by detecting text, layout, graphics, or other element differences, generating detailed reports, and providing a seamless and effective PDF testing experience.
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PDF File Comparison With SmartUI
AI-Powered Smart Visual UI Testing with Selenium & Cypress

AI-Powered Smart Visual UI Testing with Selenium & Cypress

Perform Smart Visual UI Testing using Selenium and Cypress, for multiple programming languages such as Java, NodeJS, C#, Python, and StoryBook. Ensure visually perfect applications on almost any browser or device.
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Smart Visual UI Testing With Real Devices

Perform Smart Visual UI Testing of your mobile apps on real devices. Ensure visual consistency with pixel-perfect comparison to your baseline over different screen sizes, resolutions, and layouts.
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Smart Visual UI Testing With Real Devices

Eliminate Visual UI Bugs with AI-Powered Visual Regression Testing

Perform Visual Regression testing across 3000+ desktops and mobile environments and deliver seamless digital experiences.

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NPM CLI For StoryBookJS

Easily install, configure, and run the LambdaTest NPM package to execute StoryBookJS scripts through our NPM CLI directly.
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NPM CLI for StoryBookJS
Smart UI's Git Branching Feature

SmartUI’s Git Branching Feature

Set any branch name as your Baseline branch in the Smart Visual UI Testing project settings page to compare other branches against it. With Smart UI, work on the same branch name, update the Baseline branch name, detect changes for Git commits added to the Baseline branch, and compare non-Baseline branch builds with Baseline branch builds.
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SmartUI's GitHub App Integration

Automatically trigger test execution for each code commit or pull request with Smart Visual UI Testing and GitHub Actions. Have stronger quality checks before pushing your code with visual feedback on the GitHub dashboard as 'Approved' or 'Failed' status.
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Smart UI GitHub App Integration

Seamlessly Integrate With Complete CI/CD Tech Stack

Get detailed insights of your automation tests in your CI/CD pipelines by integrating with your favorite DevOps tools.

Seamlessly Integrate

Deliver Seamless Digital Experience With AI-Powered Visual Regression Testing

Checkout our documentation to run your first Visual Regression test and bring the power of Cloud and AI to your testing.

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Powerful Cloud Testing Platform to Accelerate Your Go-To-Market

Secure, Reliable, and High Performance Test Execution Cloud Build For Scale

Perform automated browser tests on a scalable, secure, and reliable automation cloud. Run JavaScript or Selenium tests at scale on 3000+ desktop and mobile browsers.

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Trusted by startups, SMBs and big enterprises alike.


By being able to run our Selenium scripts on the legacy and latest browsers on LambdaTest helped us save significant time in test execution with zero hassle to maintain the infra.

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Head of Testing and Performance Engineering


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LambdaTest constantly updates and adds new features to help enterprises deliver a cutting-edge digital experience to their customers.



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Helping you build trust with your customers is important to us and so is building trust with you. Having all the essential security, compliance and legal matters in a place is critical in protecting and the work we share.


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Frequently Asked Questions

What is Visual regression testing?
Visual regression test verifies the changes in the final representation of the website after any code changes have been pushed. Testing platform takes screenshots before and after code modification and compare them to visualize changes.
What are the benefits of Visual Regression Testing?
Visual regression testing detects the visual changes and bugs generated from any code changes. It gives an assurance of bug detection and also ensures the best user interface to end user.
How can I automate with Selenium using LambdaTest?
With the help of LambdaTest you can incorporate visual regression testing in your existing CI/CD pipeline. It not only saves time but ensure the detection of any possible human error. LambdaTest will generate the report with differences between screenshots taken before and after the code changes.
Why is visual testing important?
Smart Visual UI testing ensures user interfaces meet the expected design and usability standards. Any visual defects or inconsistencies can impact the user experience and lead to frustration, reduced productivity, or even application abandonment.
What is visual UI testing?
Visual UI testing, also known as user interface (UI) testing in software development is a method of ensuring that a web or mobile application appears to the end-user as it was originally intended.
What is the difference between UI and visual testing?
Visual testing is a key component of ensuring that the user interface (UI) of the developed product appears as intended for users. It accomplishes this through several benefits: identifying defects or issues in the UI, detecting variations in the UI that do not match baseline snapshots, and uncovering usability problems.