UI Comparison Tool On Cloud

Capture and compare UI screenshots with UI comparison tool. Detect visual errors and deliver pixel perfect website.

Trusted by 2M+ users globally

Selenium Testing



2 Million+






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
Visual Regression Testing With Selenium and Cypress

Visual Perfection With UI Automation Tool

Use our UI Comparison Tool to ensure visual consistency throughout your product's UI. You can capture and compare baseline images, as well as automatically find visual and functional regressions.
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Ship Your Product Faster

With DOM snapshotting and advanced parallelization capabilities, the UI comparison tool enables you to find elusive visual bugs faster. You'll be able to ensure visual perfection across all browsers and devices, improving the quality of your product releases.
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Visual Regression Advanced Options

Perform Visual Regression Testing and Eliminate Visual UI Bugs!

Get started with our step-by-step guide to performing successful Visual Regression tests.

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Advanced Options for UI Comparison Tool

Our visual comparison tool makes it easy to evaluate changes from baseline data by taking advantage of its advanced options. These advanced options include largeImageThreshold, errorType, ignore, transparency, boundingBoxes, ignoredBoxes, and ignoreAreasColoredWith.
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Screenshot Comparison Tool for iOS

Why LambdaTest for Visual Regression Test Execution

Here’s why LambdaTest is the choice of visual regression cloud for 2 Million+ developers & quality analysts.

24/7 Support

24/7 Support

Get access to industry leading 24/7 dedicated support.

 Zero Test Flakiness

Zero Test Flakiness

Highly reliable and accurate infrastructure that has no flakiness

120+ Integrations

120+ Integrations

Fits seamlessly into your testing stack with out-of-the box integrations.

Locally Hosted Web Testing

Locally Hosted Web Testing

Prevent your production environment from after deployment bugs.

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Get 60 minutes of Live interactive testing every month FREE !! The only free for lifetime Visual Regression Testing Tool.

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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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How LambdaTest is helping Global Enterprises

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 is #1 choice for SMBs and Enterprises across the globe.

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More Reasons To Love LambdaTest

Along with 3000+ browsers and devices combinations to test we provide you additional features to make sure you give your users a perfect experience.

CI/CD Tool Integration

CI/CD Tool Integration

Enhance visual regression by integrating Selenium, Cypress or any framework in your favorite CI/CD tool.

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Smarter Analytics

Assess multiple visual regression test cases in one place with the all-new LambdaTest Analytics.



Step-by-step document to help you run your first visual regression test with Selenium or Cypress.

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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.
What is visual testing in Cypress?
Cypress is a prominent test automation framework due to its flexibility, extensibility, and ease of use. Visual Regression Testing is an extensible feature that allows you to capture visual images and compare them. There are also a lot of plugins available in Cypress that make this easier.
What is UI testing in Automation?
User interface testing is a process used to test if the application is working as intended. A human tester can perform UI testing manually, or it can be performed automatically with the use of a software program. Automated UI testing is the automation of manual test tasks.