List of the Top 24 Free UI Testing Tools in 2025

Sahi Pro is a comprehensive suite of automation tools designed for various platforms, including web applications, web services, Windows desktop, and Java applications. Key features of Sahi Pro encompass automatic waits, recorders, and an accessor spy, as well as an integrated frame and editor, parallel playback capabilities, and both automatic reporting and logging functionalities. In addition, it is capable of reducing the time and effort required for test automation by up to 70%. With a growing reputation, Sahi Pro has gained the trust of over 400 companies globally, establishing itself as a favored choice for test automation, especially in agile development environments. Furthermore, its user-friendly interface and robust capabilities make it an attractive option for teams looking to streamline their testing processes.

LambdaTest is a cloud-based platform that facilitates cross-browser testing for enterprises, allowing them to execute web automation tests at scale through parallel coding functionality. **Selenium Automation Grid & Cypress CLI on LambdaTest** With LambdaTest, you have the capability to run tests across over 2,000 different browsers, devices, and operating systems, significantly enhancing browser coverage. This cloud-based Selenium Grid accelerates the execution of Selenium tests while ensuring a secure, scalable, and dependable environment. Additionally, the Cypress CLI offered by LambdaTest broadens your Cypress test coverage to more than 40 browser versions on both Windows and macOS. Beyond automation testing, LambdaTest also supports manual testing, visual interface testing, and real-time testing options. **LT Browser – Responsive Web Testing** The LT Browser by LambdaTest is an innovative tool designed for developers, enabling them to evaluate the responsiveness and usability of their websites effectively. Conducting mobile testing becomes more straightforward with the ability to perform responsive tests across over 50 resolutions, and users can create an unlimited number of custom devices tailored to their needs. This makes LambdaTest an invaluable resource for thorough web application testing across multiple environments.

Sauce Labs stands as the premier continuous testing cloud globally for both web and mobile applications. This platform empowers development teams from leading digital brands to expedite app delivery while maintaining high-quality standards. With comprehensive device and testing coverage, efficient beta distribution, top-tier error monitoring, and ongoing feedback throughout the app development process, you can launch superior mobile applications more quickly. Your mobile apps will consistently perform in real-world situations across all devices and browsers. Sauce Labs offers complete solutions for mobile quality, enabling organizations to thrive in the contemporary landscape of DevOps-oriented development. They can ensure quality and efficiency throughout every phase of app development, from initial idea to final deployment. Regardless of your specific testing requirements, the type of application being developed, or your position within the mobile software development lifecycle, Sauce Labs has the perfect solution for you, ensuring that your projects are successful and meet the highest standards.

Testim offers a rapid method for developing robust end-to-end test cases, accommodating both codeless and coded options. It empowers users to design stable, codeless tests utilizing advanced AI capabilities. Additionally, you can export your tests into code format, with access to Testim's JavaScript API for seamless integration with your development environment. This functionality enables you to easily debug, adjust, or refactor your tests as needed. To ensure consistency, you can store your tests in a version control system, allowing for execution with each code commit. Each month, millions of users, including notable companies like NetApp, Wix, and JFrog, rely on Testim for their testing needs. For further information, please visit our website to explore all that we offer.

Repeato is a no-code mobile app testing tool that streamlines and automates the process of mobile UI testing, ultimately saving time, money, and effort. Its Record & Play feature leverages machine learning and computer vision to quickly generate tests, making it accessible for individuals without coding expertise to contribute to the testing phase. This framework empowers non-technical team members to take on testing responsibilities, freeing developers to concentrate on creating exceptional applications. Repeato not only enhances efficiency but also reduces the potential for bugs, ensuring faster app launches. Additionally, it fosters a more engaged workforce by alleviating repetitive tasks, leading to lower employee turnover rates. For Companies: - Accelerate app delivery while minimizing issues - Cut down on testing expenses and durations - Boost employee morale and retention For Developers and Testers: - Simplified mobile app testing experience - Elimination of broken tests - Less monotonous testing processes - Enable non-technical team members to handle tedious tasks - Allocate more time for innovative app development For Non-Technical Testers: - No programming skills necessary - Intuitive and user-friendly interface - Straightforward usability For End Users: - Enhanced user experience through better-tested apps.

Alithya GoTest serves as an intuitive and efficient test hub that promotes teamwork and quick adoption, guaranteeing the dependability of digital solutions for businesses that demand uncompromising quality. Our user-friendly interface facilitates collaboration, execution, and resolution of tests while enabling communication across all team levels, ensuring that both test plans and results include the necessary details for effective analysis. Platform-agnostic in nature, Alithya GoTest enables seamless testing of desktop, web, and mobile applications, eliminating the need for extensive time and resources typically spent on building, maintaining, and integrating testing platforms into development workflows, thus empowering development teams to concentrate on adding value and enhancing quality. In contrast to traditional testing solutions, Alithya GoTest uniquely offers comprehensive end-to-end software testing through continuous testing within a DevOps framework. You can reach out to our exceptional bilingual support team or utilize our consulting, coaching, or online training resources to quickly familiarize yourself with the platform. Additionally, take advantage of our expanding catalog of pre-designed test suites tailored for major ERP platforms, such as Oracle Fusion Cloud, ensuring that software updates do not disrupt your existing solutions, thus enhancing overall operational resilience.

Comprehensive testing of web applications from start to finish is efficient, straightforward, and dependable. This approach ensures that every aspect of the application functions seamlessly together.

Applitools offers an AI-driven visual and monitoring platform tailored for Developers, Test Automation, Manual QA, and DevOps teams. By harnessing Visual AI technology, it revolutionizes how businesses approach quality assurance, guaranteeing that web and mobile applications function and appear exactly as intended across all devices, browsers, operating systems, and native applications. The platform seamlessly integrates into any DevOps workflow and is user-friendly, making it suitable for teams of all sizes while being adaptable to any organization aiming to enhance both speed and quality with each release. This capability is crucial in today's highly competitive marketplace. Hundreds of businesses across diverse sectors, including Fortune 100 companies in software, banking, retail, and insurance, utilize Applitools to deliver optimal digital experiences for their clients. With its headquarters situated in San Mateo, California, and a research and development center located in Tel Aviv, Israel, Applitools is well-positioned to continue driving innovation in software quality assurance. Furthermore, the platform's adaptability ensures it can meet the evolving needs of organizations as they grow.

TestProject stands out as the pioneering cloud-based platform for test automation, driven by a vibrant community and completely free of charge. By leveraging popular open-source frameworks like Selenium and Appium, it enables testers to streamline their processes and collaborate effectively, enhancing both quality and efficiency. The platform fosters a collective spirit among software testers, promoting teamwork and individual contributions to advance the testing landscape. Established in Israel in 2015, TestProject is dedicated to cultivating a robust and inclusive environment for all test automation enthusiasts, ensuring accessibility without any financial constraints. The vision of TestProject is to revolutionize the software testing field by empowering its community members to share knowledge and tools freely. For further details, visit https://testproject.io.

An integrated cloud-based testing solution offers a comprehensive suite for performance evaluation, load assessment, website speed analysis, and user interface examination, extending its capabilities to mobile applications and API services as well. With JMeter, testing is facilitated from numerous cloud locations, accommodating thousands of users simultaneously, while Apache JMeter provides immediate insights into performance metrics for your websites and APIs from the cloud environment. You have the ability to track performance fluctuations over time and gain suggestions for enhancing page load speeds; we execute your tests on cloud servers at predetermined intervals and alert you in case of any issues. To uncover rendering problems, erroneous HTML, or missing and incorrect CSS, simply load your web pages into mobile emulators. Scheduling runs in a matter of seconds allows you to analyze the rendered visuals across various devices, effectively simulating your site on diverse screen sizes and resolutions. Capture screenshots of two different websites quickly, and utilize a comparison threshold to identify any discrepancies in the generated images. This efficient process ensures that you can maintain optimal performance and user experience across multiple platforms.

MoQuality provides a robust platform for performing comprehensive end-to-end UI testing for applications on both Android and iOS. By enabling the creation of reliable Appium tests, it resolves common challenges associated with inconsistent test results. The platform integrates effortlessly into continuous testing processes, bringing together all testing elements—tests, builds, and reports—within a centralized, user-friendly dashboard. Additionally, it generates visual test reports that are useful for both troubleshooting and ongoing test maintenance. MoQuality also extends its functionalities by building upon the Appium open-source framework, allowing users to write tests in several programming languages, including Python, Java, and JavaScript (wd/webdriverio). Notably, it empowers you to develop and debug Appium scripts in real-time, with testing options available on physical devices, emulators, or simulators. The test reports produced detail the results of test executions and can be archived for future use, providing ample flexibility for running Appium tests locally as frequently as needed. Moreover, MoQuality supports an extensive array of real devices, emulators, and simulators across both Android and iOS operating systems. With no limits on the number of users per license, you can easily invite your entire team to access and collaborate on the test reports, significantly boosting team productivity and ensuring that everyone remains updated on the testing status. This collaborative aspect of MoQuality not only enhances communication but also fosters a more efficient testing environment, making it a valuable tool for development teams.

With Puppeteer, you can automate nearly any task that you would typically execute manually in a web browser! There is a streamlined variant called Puppeteer-core, which is intended for users who wish to start an already installed browser or connect to a remote one. It is essential to verify that the version of puppeteer-core you select matches the browser version you intend to utilize. For those who are already familiar with other frameworks used for browser testing, Puppeteer will feel quite intuitive. You begin by instantiating a Browser object, navigating to web pages, and then employing Puppeteer's API to interact with those pages. By default, Puppeteer automatically downloads a specific version of Chromium, ensuring that its API operates correctly from the outset. If you want to use Puppeteer with a different version of Chrome or Chromium, you can easily indicate the path to the executable while creating the Browser instance. This adaptability offers a customized testing experience that can cater to various project specifications, making Puppeteer a versatile tool for developers. Additionally, the ease of integration with existing workflows further enhances its appeal to users looking for efficiency in their testing processes.

Playwright works seamlessly with all modern rendering engines, including Chromium, WebKit, and Firefox. It supports testing on various operating systems such as Windows, Linux, and macOS, whether in a local setup or continuous integration environments, and it can function in both headless and headed modes. The framework guarantees that actions are executed only when the elements are ready for user interaction, featuring an extensive array of introspection events. This integration effectively eliminates the dependence on artificial timeouts, which often lead to unreliable tests. Moreover, Playwright's assertions are specifically designed for the web's dynamic nature, automatically reattempting checks until the defined conditions are met. Users have the flexibility to tailor their test retry strategies and can capture execution traces, videos, and screenshots to further reduce instability. In terms of its architecture, browsers handle web content from different origins in isolated processes, enabling Playwright to align with the principles of modern browser frameworks and conduct tests out-of-process. This architectural choice significantly mitigates the usual limitations of in-process test runners, thereby boosting testing efficiency and reliability. Consequently, Playwright stands out as a powerful tool for developers looking to enhance their testing workflows and ultimately improve their software quality. By adopting Playwright, teams can ensure comprehensive coverage and a smoother testing experience across diverse environments.

Karate distinguishes itself as the only open-source framework that combines API test automation, mocks, performance testing, and UI automation into a single, integrated solution. Its behavior-driven development (BDD) syntax, which is influenced by Cucumber, is intentionally language-agnostic and user-friendly, making it accessible even for those with no programming expertise. The framework enhances the testing process with built-in assertions and comprehensive HTML reports, while its ability to execute tests concurrently leads to improved efficiency. For teams that may not want to engage with Java, there is a cross-platform standalone executable option that removes the necessity for code compilation. Users can craft their tests using a clear syntax designed for various data formats such as HTTP, JSON, GraphQL, and XML. A remarkable feature of Karate is its ability to merge API and UI test automation within a single script, providing teams with significant versatility. The syntax notably treats JSON as a 'first-class citizen,' allowing users to define payloads and expected outcomes without needing to use double quotes or enclose JSON field names in quotes. Additionally, the framework eliminates the need to escape characters—a frequent obstacle in Java and other programming languages—making the testing process much more straightforward. This intuitive approach not only lowers the barriers to effective testing but also encourages broader adoption across different teams, ultimately enhancing collaboration and productivity in software development.

Forget the myriad challenges associated with closing browsers, managing timeouts, and dealing with StaleElement Exceptions or poring over log files during test debugging. We proudly emphasize that Selenide is remarkably intuitive, significantly reducing the reliance on comprehensive documentation. While Selenium WebDriver is a powerful tool for automating browsers, it often lacks the dedicated focus necessary for effective testing and primarily functions as a facilitator for browser interactions. There are many testing libraries that accompany Selenium WebDriver, but they frequently overlook the critical issues that hinder UI tests, including the instability stemming from dynamic content, JavaScript, Ajax, and timeouts. Selenide was intentionally crafted to confront these obstacles directly. It fundamentally improves the stability of your tests by adeptly handling nearly all Ajax and timing-related challenges. We take great satisfaction in the straightforward nature of Selenide, ensuring that you won't need to navigate through an overload of documentation. Ultimately, mastering Selenide revolves around just three simple principles! As a result, utilizing Selenide not only streamlines the testing process but also enhances the overall experience, making it both efficient and enjoyable. This remarkable ease of use allows developers to focus more on creating quality applications rather than getting bogged down by testing intricacies.

To ensure the robustness of your Xcode project, it is essential to create and run unit tests, performance tests, and UI tests using the XCTest framework, which provides seamless integration within Xcode's testing environment. These tests are specifically crafted to confirm that certain conditions are satisfied during code execution, and if any conditions are not met, they will log the failures along with optional messages for improved understanding. Moreover, performance tests evaluate the speed and efficiency of code segments, helping to identify any regressions, while UI tests simulate user interactions with the application to verify that navigation and functionality operate as intended. Each individual test method serves as a precise, independent function that assesses a particular aspect of your code, and a test case is made up of several related test methods that together evaluate the overall behavior of the code. It is crucial to consolidate these test cases and methods into a specific test target to validate the reliability of your code effectively. The XCTest framework is the cornerstone for defining these test cases, overseeing their execution, and enabling performance assessments, thereby offering a thorough strategy for maintaining code integrity. By adopting these organized testing methodologies, developers can significantly elevate the quality and dependability of their applications, ultimately leading to a more robust user experience. Furthermore, regularly updating and refining these tests as the codebase evolves ensures that potential issues are caught early in the development process, fostering a culture of continuous improvement and high standards within the development team.

Effortless automation designed for those with busy lives is at your fingertips. The free RPA software, previously known as Kantu and now called UI Vision, streamlines the automation process for both web and desktop applications available on Windows, Mac, and Linux operating systems. This open-source browser extension, UI.Vision RPA, can be coupled with local applications for desktop UI automation, offering a thorough solution for users. Built on open-source principles, UI Vision guarantees enterprise-level security, keeping your data protected on your device. Join a thriving community of over 100,000 users who are enhancing their workflows, whether on their desktops or within web browsers. The visual UI testing capabilities provided by UI Vision enable web designers and developers to verify the accuracy and aesthetics of websites and canvas components. Furthermore, UI Vision can identify and interpret images and text found within canvas elements, images, and videos. It is also equipped to resize the browser window, allowing for simulation of various resolutions, which is crucial for testing layouts across different browser dimensions and ensuring an impeccable visual experience for mobile, web, and native applications. By utilizing UI Vision, you can greatly boost your productivity and consistently achieve high-quality results in your automation endeavors. This comprehensive tool not only streamlines processes but also enhances the overall efficiency of your digital tasks.

Comprehensive test automation solution You can quickly initiate the process and scale it to accommodate any team size. Katalon Studio Reliable testing across all platforms Its efficient IDE simplifies the creation of automated tests for any platform or operating system, no matter the complexity of your application. A robust recording tool captures all UI elements in one location, enhancing reusability and efficiency. It offers a codeless experience for novices while allowing experts to expand their testing capabilities further. Project setup is straightforward. There are templates available that come with built-in functionalities. You can dive right in with pre-designed templates, libraries of test cases, keywords, object repositories, and various other helpful resources. All forms of end-to-end testing are centralized in one location, making it easy to execute both web and mobile testing within a single project. This makes the entire testing process streamlined and significantly more efficient for teams of any size.

When you interact with a website, Screenster captures your actions effortlessly. There's no requirement for any coding, referencing of element IDs, or manual insertion of checks and assertions. Once your test is recorded, you can easily rerun it while allowing Screenster to optimize its functionality. It automatically detects parameters, and self-healing selectors are preserved for every action performed. You have the ability to review and approve modifications to the baseline, ensuring the user interface's default state is updated appropriately. Additionally, you can opt to exclude certain UI elements from the comparison process, enhancing your control over the testing procedure. Say goodbye to the need for browser extensions, desktop installations, or intricate manuals; simply enter a URL for a Screenster server and begin your journey. Screenster excels at identifying both visual and content changes, employing sophisticated algorithms to compare test results with the baseline and highlight new, removed, or modified elements. Its intelligent selectors can adeptly track any moved or changed page components. Moreover, Screenster smartly adjusts timeouts and utilizes AI to find the perfect moment to advance to the next action. You can choose to run your tests on our cloud platform or decide to download and install Screenster Server for on-premise use. Not only does Screenster streamline the testing process, but it also boosts efficiency and precision, making it an essential resource for developers and testers alike. Ultimately, Screenster empowers users to focus on delivering quality while minimizing the complexities typically involved in testing.

There’s no need for WebDriver or manual timeouts when using TestCafe, as it facilitates effortless cross-browser testing without relying on any external tools. This innovative framework, built on Node.js, leverages the browsers already present on your computer for efficient testing. TestCafe simplifies the process by removing the need for manual timeouts and cumbersome boilerplate code, allowing developers to concentrate on critical tasks instead of chasing bugs. It is freely available and operates under the MIT license, showcasing its dedication to the open-source community while consistently improving its capabilities. With its intuitive syntax, teams can quickly boost their productivity right from the start. Rather than being daunted by Internet Explorer, you can execute tests on both desktop and headless browsers with ease. Additionally, TestCafe supports connections to remote testing servers, mobile devices, and cloud-based browser farms, making it possible to run tests across numerous browsers at once, thereby streamlining both time and resource usage. Ultimately, TestCafe transforms the testing process into an efficient and remarkably simple endeavor, inviting users to explore its full potential.

You have the blueprint for growth — now it's the perfect moment to bring it to life on a customized website. Your imagination already captures the evolving nature of web development, and now you can work on turning that imagination into a streamlined process. This encompasses much more than just implementing a headless CMS; it also involves conducting UI testing, optimizing images, and providing real-time previews. Deconstruct your website into distinct modular sections, utilizing components from Next and Nuxt, and then integrate them into a website builder. The visual builder allows for quick adjustments and selections of your fields, facilitating personalized content creation. You can easily drag and drop various elements like rich text fields, geopoints, images, and color selectors. Moreover, you can create multiple image views to effectively handle responsive designs. Simply upload an image, and prismic.io will manage the cropping, resizing, and generation of the necessary responsive views automatically. Additionally, you can construct a taxonomy or establish relationships by linking articles to categories or authors, ensuring that internal content entries are securely connected and can be transformed into valid URLs. Consequently, this not only elevates the website's overall functionality but also significantly enhances user experience and accessibility while paving the way for future innovations in web design.

Eggplant enables organizations to craft exceptional digital experiences that captivate users. We assist businesses in tracking, evaluating, and enhancing their customer interactions effectively. Companies globally leverage Eggplant to surpass their rivals, boost efficiency, and provide outstanding customer satisfaction. So, how does Eggplant achieve this? It significantly elevates the quality, speed, and functionality of software applications across a variety of interfaces and platforms, including mobile devices, IoT, and desktops, all within agile, DevOps, and pioneering application and data environments. Additionally, Eggplant’s comprehensive approach ensures that organizations can adapt swiftly to changing market demands while maintaining high standards of performance.

Web Alert enables you to monitor any website or particular sections within it, guaranteeing that you receive notifications whenever there are updates. This tool operates effectively even when it requires logging in, filling out forms, or entering credentials. For example, it can notify you about changes in prices, new articles, exam results, forum replies, or the commencement of registration periods. Moreover, it assists in checking whether your own website is operational and performing correctly, serving as a valuable asset for UI testing and general web oversight. By using a dedicated browser, you can access the desired page while the application logs your navigation actions for future automated execution. You can selectively highlight which text or HTML elements you want to keep an eye on, ensuring that alerts are triggered solely for modifications in those targeted areas, thus making the monitoring process efficient and customized. This capability significantly improves user experience by reducing irrelevant notifications while concentrating on the most pertinent updates, ultimately allowing users to stay informed without being overwhelmed by excessive alerts.

ContextQA is a cutting-edge solution aimed at empowering organizations to enhance their automation testing processes, elevate software quality, speed up product release schedules, and significantly lower the expenses related to upholding software standards by utilizing AI-driven SaaS technology. By converting manual test cases and user narratives into automated tests, AI agents optimize the testing workflow. In addition, ContextQA collects evidence and performs root-cause analysis when issues arise, effectively pinpointing critical user experiences and revealing weaknesses in the software testing framework. With its thorough end-to-end testing capabilities, including contract tests, there is no longer a need for separate tools for testing the front end and back end, facilitating a more cohesive testing environment. This solution not only identifies problems and enhances performance but also guarantees seamless user experiences across different browsers, mobile devices, and operating systems. Moreover, ContextQA simplifies the integration of test cases, allowing for a rapid expansion of automation coverage for your products and services, ultimately driving increased productivity and operational efficiency. The innovative approach of ContextQA ensures that organizations stay competitive in a fast-paced technological landscape.