Visual Testing Tools To Look Out For In 2024

Automation testing ensures the quality of applications. As technology progresses in 2024, the demand for more efficient testing grows. Visual testing tools offer innovative approaches to improve the testing process and enhance the overall quality of software products. 

This blog will explore some of the leading automation testing tools in 2024 to check visual bugs.

What are Visual Testing Tools?

Visual testing tools are software applications that automate the validation of your application’s user interfaces by analyzing graphical elements, layout, and appearance. They allow you to capture screenshots of your application’s UI before and after a code change and compare them to detect any visual discrepancy or regression. This is critical as it helps the UI be consistent across different browsers, platforms, and devices and helps software developers and test automation engineers improve their applications’ test automation workflows. 

These applications have evolved significantly, from basic screenshot comparison utilities to advanced AI-driven platforms that can detect subtle visual differences. More than just a way to optimize the testing process, these applications help software developers and test automation engineers ensure that the overall quality of their software products is at the highest possible level by catching any discrepancies or problems in UI look and feel well before the product can reach its end users.

Top Visual Testing Tools of 2024

These are some of the top visual testing tools of 2024


Applitools is a visual testing tool that captures images of web and mobile applications and compares them using advanced image processing algorithms to detect pale visual variations.

Applitools can integrate with leading automation testing frameworks like Selenium and Appium. With its capability to build visual testing right in existing workflows, it allows developers to integrate their visual testing. Through its dashboard, detailed indicators of the visual test results are provided. 


LambdaTest is a cloud platform that offers visual testing capabilities to ensure the compatibility and consistency of web applications. LambdaTest’s integration with popular automation testing frameworks and CI/CD tools simplifies test execution and management. Its scalable infrastructure and extensive browser and device coverage make it suitable for cloud testing in different environments. 

At its core, LambdaTest is an AI-powered test orchestration and execution platform for running manual and automated tests at scale. The platform allows you to perform real-time and automation testing across 3000+ environments and real mobile devices.

It extends its testing capabilities to real mobile devices, providing a realistic environment for testing mobile applications. This includes testing various devices, operating systems, and screen sizes, addressing the complexities of mobile app development.

LambdaTest’s collaboration features improve the bug resolution process and accelerate time to market. By utilizing LambdaTest’s visual testing capabilities, teams can efficiently deliver high-quality user experiences.


Wraith is a visual regression testing tool used to capture screenshots of web pages and compare them to detect any visual changes. Different environments and browsers allow teams to ensure consistency across different platforms. It is highly configurable and can be integrated into continuous visual automation testing pipelines. Wraith simplifies the process with its command-line interface and easy setup to identify UI regressions and helps maintain the visual integrity of web applications.


Selenium is used for automation testing in web applications. It allows screenshots of web pages to be captured and compared to detect any visual discrepancies or regressions. It supports multiple browsers, making it flexible for cross-browser testing.

In Selenium, developers use additional libraries or plugins, such as WebDriver for capturing screenshots and image comparison libraries like ImageMagick or OpenCV for comparing images, which makes it a popular choice for incorporating visual testing into automation testing workflows.


AyeSpy is a visual testing tool for web applications that automates UI validation by capturing and comparing screenshots. It ensures consistency across browsers, devices, and resolutions. AyeSpy’s features include automated screenshot capture, visual diffing, customizable comparison settings, and integration with testing frameworks. It generates detailed reports highlighting visual discrepancies. 

AyeSpy improves the automation testing process by helping maintain high-quality user experiences. Its integration into existing workflows and CI/CD pipelines allows automated visual testing. Overall, AyeSpy is a valuable tool for ensuring the reliability and consistency of web applications’ user interfaces. 

CSS Critic 

CSS Critic is a specialized visual regression testing tool for CSS stylesheets. It enables developers to compare web page appearances before and after CSS code modifications. This tool captures screenshots, examines pixel-level differences, and emphasizes changes in styling elements such as colors, fonts, margins, and padding. CSS Critic enables automated visual regression testing within development processes. 

CSS Critic’s detailed reporting feature offers insights into visual discrepancies and improves issue identification and resolution. CSS Critic‘s lightweight nature and user-friendly interface simplify setup and usage, requiring minimal configuration. 


Testim is a platform designed to improve the creation and execution of automated tests. Testim incorporates visual testing capabilities as part of its test automation solution.

Testim uses artificial intelligence and machine learning algorithms to identify and prioritize UI elements for test automation. Testim’s AI engine analyzes application changes and automatically updates test scenarios.

Testim provides features for validating the appearance and behavior of UI elements during test execution. Users can define checkpoints within their automated test scripts to verify specific visual attributes. Testim’s visual validation capabilities enable teams to ensure that the UI remains consistent across various browsers and screen resolutions.

Katalon Studio

Katalon Studio is an automation testing tool. Katalon Studio includes visual validation functionality and the capability to make the present and upcoming application visual consistency across various platforms possible.

In Katalon Studio, users can write test scripts with built-in record-and-playback and manual scripting capabilities. These test cases can be written automation scripts that imitate user interactions with web and mobile applications.

Katalon Studio incorporates built-in verification features that enable users to check the UI elements to ensure they look right while tests run. Users can now define checkpoints to verify certain visual features. This allows testers to verify that the display remains consistent and neat across all browsers, machines, and screen sizes.


Kobiton is a cloud testing platform that allows testers to perform automation testing. It offers features that enable visual validation and ensure the visual integrity of mobile applications.

The Kobiton device lab arranges testing with all needed iOS and Android devices for automation testing. It helps users virtually interact with their mobile application’s UI and user experience in real time. This ensures that the testers can check that the application’s complete layout and graphical elements are correctly displayed on different devices.

Kobiton supports automation testing using popular test automation frameworks. Users can create automated test scripts that simulate user interactions and validate the visual appearance of their mobile applications across different device configurations. Kobiton’s device cloud and automation capabilities allow teams to identify any visual discrepancies or UI issues early in development.


BackstopJS is an automated visual regression testing tool for detecting visual discrepancies in web applications. It captures screenshots of web pages and compares them to baseline images to identify differences in appearance. The tool offers features such as automated screenshot capture, visual regression comparison, configurable testing scenarios, integration with testing workflows, and detailed reporting.

BackstopJS users can define specific testing scenarios, such as URLs, viewports, and interactions, to accurately simulate various user experiences and test cases. It seamlessly integrates into existing testing frameworks and workflows, enabling automated visual regression testing as part of the development process. BackstopJS provides detailed reports with visual diffs, allowing developers to identify and address any issues detected during automation testing quickly.


SikuliX is an automation tool known for its unique blend of visual and scripting capabilities. It supports GUI automation and testing tasks by using image recognition technology to interact with elements displayed on the screen. This approach makes it highly versatile across various Windows, macOS, and Linux platforms.

Users can script automation tasks using Jython or JRuby. SikuliX’s cross-platform support and integration with other tools like Selenium WebDriver enhance its automation capabilities, making it a preferred choice for automating GUI tasks and conducting testing activities efficiently. 


PhantomCSS is a visual regression testing tool for web applications. It focuses on capturing screenshots and comparing them to baseline images to identify visual differences or regressions. PhantomCSS automates the process of capturing screenshots before and after code changes. It compares them pixel by pixel and highlights discrepancies. 

Users can define specific testing scenarios, such as URLs, viewports, and interactions, to accurately simulate various user experiences. Detailed reports with visual diffs provide insights into detected changes, aiding developers in resolving issues. 

PhantomCSS ensures the consistency and integrity of web applications’ user interfaces by early detecting and mitigating visual defects. Its ease of integration and unique features make it a valuable tool for developers to maintain quality user experiences in their web applications.

Benefits of Visual Testing

  • Automation of UI validation ensures consistency and integrity across browsers, platforms, and devices.
  • Detection of subtle visual differences or regressions allows for early issue resolution in the development lifecycle.
  • Improved software quality and reliability lead to enhanced user satisfaction.
  • Improving the testing process saves time and effort for development teams.
  • Intuitive interfaces and integration capabilities with existing testing frameworks and CI/CD pipelines empower teams to efficiently deliver high-quality software products.
  • Automating visual regression testing helps maintain UI consistency and prevents unexpected issues from reaching production environments.


In conclusion, visual testing tools have become essential for ensuring the quality and consistency of web applications in 2024. Their advanced capabilities in automating UI validation and detecting visual discrepancies early in development contribute significantly to software products’ overall reliability and user satisfaction.


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