Best Free UI Testing Tools of 2025

Sahi Pro is a suite automation tools for web, Web-services, Windows desktop and Java applications. Sahi Pro features include automatic waits, recorders and accessor spy, inbuilt frame and editor, parallel playback, automatic reporting, automatic logging, and reporting. Also, Sahi Pro can save 70% of the time and effort that is normally spent on test automation. Sahi Pro has been trusted by more than 400 companies around the world and is quickly becoming the preferred tool for test automation in the agile world.

LambdaTest, a cloud-based cross browser test platform, enables enterprises to run web automation tests at scale (through parallel coding). **Selenium Automation Grid & Cypress CLI on LambdaTest** Tests can be run across more than 2,000 browsers, devices, operating systems to improve browser coverage. LambdaTest is a cloud-based Selenium Grid which helps you run Selenium tests faster. It's secure, scalable and reliable. The Cypress CLI, available on LambdaTest allows you to expand Cypress test coverage up to 40+ browser versions across Windows or macOS platforms. Automation testing is not the only option. You can also do manual tests, visual interface tests, and real time tests. **LT Browser – Responsive Web Testing** LambdaTest's LT browser is a groundbreaking developer-oriented tool that helps you assess the responsiveness and usability of your website. Mobile testing is easier with responsive tests that can be run against 50+ resolutions. You can also create unlimited custom devices.

Sauce Labs is the largest continuous testing cloud in the world for web and mobile apps. This gives development teams from the top digital brands the ability to deliver apps faster, without compromising on quality. With extensive device and testing coverage, streamlined beta distribution, best-in class error monitoring, and constant feedback loops during your app development cycle, you can release better mobile apps faster. Your mobile apps will always work in real-world scenarios on any device and browser. Sauce Labs' end-to-end solutions for mobile quality enable organizations to deliver mobile apps in a modern era of DevOps driven development. They can achieve quality and speed at all stages of app development - from conception to production. We have you covered, no matter what your testing needs are, the application type you're developing, or your role within the mobile SDLC.

Testim is the fastest way to create resilient end-to-end test cases, whether they are codeless or coded. Testim allows you to create codeless, stable tests that leverage our AI. You also have the option to export your tests as code. Testim's JavaScript API is available to you and your IDE. This allows you to debug, modify, or refactor your tests. To keep them in sync, store them in your version control system. Run tests on every commit. Testim is used by millions of customers every month, including NetApp, Wix and JFrog. Find out more on our website.

Repeato is a mobile app testing tool for no-code that automates and simplifies the mobile UI testing process. It also helps to reduce time, cost and energy. Record & Play is a quick and easy way to create tests using machine learning and computer vision. Repeato is a testing framework that does not require coding skills. It allows non-technical staff to forward testing. Repeato is a time- and cost-saving tool that allows developers to do what they love best: build great apps. BENEFITS For the company Ship apps faster with fewer bugs Save time and money on testing Keep staff motivated and decrease fluctuation Developers and testers Mobile app testing made easy No broken tests - Repetitive, less tedious testing - Forward tedious testing to non-technical personnel Make more time for the fun part: building great apps Non-technical testers No coding knowledge required Easy to understand and use Simple UI For the end user Great UX

Alithya GoTest is a collaborative test hub that is easy and quick to master and integrate, ensuring the quality of any professional digital solutions for companies requiring reliability without compromises. Through the GUI, our solution allows you to collaborate, execute and fix your tests and communicate at all levels to ensure test plans and test results are provided with the right level of details. Alithya GoTest is platform-agnostic and will allow you to seamlessly test desktop, web and mobile applications. You will not have to spend months building, maintaining and integrating your test platform into your development workflow, which allows your development team to focus on delivering value and quality. Compared to more traditional solutions, Alithya GoTest is the only tool on the market that allows you to completely test your software from end-to-end using continuous testing in a DevOps process. Contact our top-notch bilingual support team or use our consulting, coaching or online training resources to get up to speed in no time. Benefit from our growing list of pre-made test suites for professional ERP platforms like Oracle Fusion Cloud to ensure updates are not breaking your software solution.

End-to-end testing of any web-based application is fast, simple and reliable.

Applitools is an AI-powered, end-to-end visual and monitoring platform for Developers and Test Automation, Manual QA and DevOps. Our Visual AI technology transforms the way organizations approach quality. It ensures that web and mobile apps look and work exactly as they were designed on any device, browser OS, native application, or browser. Applitools integrates quickly with any DevOps environment. It is easy to use for any size team and can be scaled to any organization that wants to improve speed and quality with every release. This is vital in today's competitive business environment. Applitools is used by hundreds of companies in a variety of industries, including Fortune 100 software, banking, retail, and insurance firms. This allows them to provide the best digital experiences possible to their customers. Applitools has its headquarters in San Mateo in California and an R&D centre in Tel Aviv in Israel.

TestProject is the first cloud-based, community-powered, free test automation platform. TestProject makes testing easier by allowing testers to work quickly and to collaborate with other testers using popular open-source frameworks (e.g. Selenium and Appium). This allows them to achieve quality and speed. TestProject is shaping the future for software testing by creating a community that can work together as individuals and in groups. TestProject was founded in Israel in 2015. It aims to create an environment that is powerful and collaborative for all test automation communities, without any barriers and completely free. Learn more at https://testproject.io.

All-in-one cloud testing platform for performance testing, load testing, website speed testing and website UI testing. Mobile applications and API endpoints are all covered. JMeter testing is easy from multiple cloud locations, with thousands of users. Apache JMeter allows you to see real-time performance metrics of your website and APIs from the cloud. You can monitor changes over time and receive advice on how to speed up page loading times. We run your tests on cloud instances at set times and notify you if anything goes wrong. To find rendering issues, invalid HTML, missing or incorrect CSS, load your web pages and websites in mobile emulators. In seconds, schedule runs and inspect the rendered images on all devices. Simulate your site on different screen sizes and resolutions. Take screenshots of two websites in seconds. To check for differences, you can compare the generated screenshots using a threshold.

MoQuality serves as a comprehensive environment for conducting end-to-end UI testing on both Android and iOS applications. It facilitates the development of stable Appium tests, eliminating issues with unreliable test outcomes. Seamlessly integrating into continuous testing workflows, it consolidates all testing artifacts—including tests, builds, and reports—into a single user-friendly dashboard. The platform also produces visual test reports that aid in both triaging and maintaining tests. Additionally, MoQuality offers enhanced capabilities built on the Appium open-source framework. Users can write their Appium tests using languages such as Python, Java, and JavaScript (wd/webdriverio). With MoQuality, you can develop and troubleshoot your Appium scripts in real time. The testing can be performed locally on actual devices, emulators, or simulators. Test reports generated reflect the outcomes of test executions and can be saved by users for future reference. You have the flexibility to run your Appium tests locally as often as necessary. Furthermore, MoQuality is compatible with a wide range of real devices, emulators, and simulators for both Android and iOS platforms. There are no limitations on the number of users per license, allowing you to easily invite all your team members to access and collaborate on the test reports. This collaborative feature enhances team productivity and ensures everyone is informed about testing progress.

You can perform almost any task that you would typically handle manually in a web browser using Puppeteer! The lightweight version, known as Puppeteer-core, is designed for those who want to launch an existing browser installation or connect to a remote browser. It's crucial to ensure that the version of puppeteer-core you choose aligns with the browser version you plan to use. For individuals already acquainted with other browser testing frameworks, Puppeteer will seem quite familiar. You start by creating a Browser instance, opening web pages, and then using Puppeteer's API to manipulate those pages. By default, Puppeteer downloads a specific Chromium version, ensuring that its API functions correctly right from the start. To utilize Puppeteer with an alternative version of Chrome or Chromium, you simply need to specify the path to the executable when you create a Browser instance. This flexibility allows for a tailored testing experience that can adapt to different project requirements.

Playwright is compatible with all contemporary rendering engines, such as Chromium, WebKit, and Firefox. It enables testing across various operating systems like Windows, Linux, and macOS, whether locally or in continuous integration environments, and can operate in both headless and headed modes. The framework ensures that actions are only performed once elements are ready for interaction, and it includes a comprehensive set of introspection events. This synergy effectively removes the reliance on artificial timeouts, which are a common source of unreliable tests. Additionally, Playwright's assertions are tailored for the dynamic nature of the web, automatically reattempting checks until the specified criteria are fulfilled. Users can customize their test retry strategies and capture execution traces, videos, and screenshots to further mitigate instability. In terms of architecture, browsers execute web content from different origins in separate processes, allowing Playwright to align with modern browser frameworks and conduct tests out-of-process. This design choice helps to avoid the usual constraints associated with in-process test runners, ultimately enhancing testing efficiency and reliability. As a result, Playwright emerges as a robust solution for developers seeking to streamline their testing processes.

Karate stands out as the sole open-source tool that integrates API test automation, mocks, performance testing, and UI automation into one cohesive framework. Its BDD syntax, inspired by Cucumber, remains language-neutral and accessible, making it easy for individuals without programming backgrounds to use. With built-in assertions and HTML reporting, it enhances the testing experience, and its capability to run tests in parallel significantly boosts efficiency. Additionally, for teams that prefer not to work with Java, a cross-platform standalone executable is available, eliminating the need for code compilation. Users can simply write tests using a clear and straightforward syntax tailored for HTTP, JSON, GraphQL, and XML. Notably, Karate allows the combination of API and UI test automation within the same script, offering great flexibility. What’s particularly impressive is that JSON is treated as a 'first-class citizen' in the syntax, enabling users to articulate payloads and expected data without the necessity of double quotes or enclosing JSON field names in quotes. Furthermore, there's no requirement to escape characters, a common hassle in Java or other languages, thereby simplifying the testing process. This user-friendly approach significantly reduces the barriers to effective testing and promotes wider adoption among teams.

You can forget about the complexities of shutting down browsers, dealing with timeouts, and handling StaleElement Exceptions, or sifting through log files while debugging your tests. We confidently assert that Selenide is incredibly user-friendly, eliminating the need for extensive documentation. While Selenium WebDriver is an excellent tool for browser automation, it lacks the focus required for effective testing, serving primarily as a means for browser interaction. Numerous testing libraries exist alongside Selenium WebDriver, yet they often fail to address the fundamental issues that plague UI tests, such as the instability that arises from dynamic content, JavaScript, Ajax, and timeouts. Selenide was specifically designed to tackle these challenges head-on. At its core, Selenide enhances the stability of your tests by effectively managing nearly all Ajax and timing-related problems. We take pride in the simplicity of Selenide, ensuring that you won't have to wade through excessive documentation. Ultimately, working with Selenide boils down to mastering just three straightforward concepts! With Selenide, testing becomes not only efficient but also more enjoyable.

Develop and execute unit tests, performance tests, and UI tests for your Xcode project by utilizing the XCTest framework, which allows for the seamless integration of these tests within Xcode's testing ecosystem. These tests are designed to validate that specific conditions hold true during the execution of code, and in instances where these conditions fail, they will log the failures along with optional messages for clarity. Additionally, performance tests are capable of assessing the efficiency of code blocks to identify potential regressions, while UI tests interact with the application's interface to ensure that user interaction flows function correctly. Each test method is a focused, self-contained function aimed at evaluating a distinct portion of your code, while a test case is comprised of multiple related test methods organized to collectively assess the code’s behavior. To ensure that your code meets the expected standards, you should incorporate these test cases and methods into a designated test target, which is essential for confirming code reliability. The XCTest framework serves as the primary class responsible for defining these test cases, managing their execution, and facilitating performance tests, ultimately providing a comprehensive approach to ensure code integrity. By implementing these structured testing strategies, developers can enhance the overall quality and reliability of their applications.

Effortless automation tailored for those with hectic schedules. The UI Vision free RPA software, which was previously known as Kantu, simplifies the automation of both web and desktop applications across Windows, Mac, and Linux platforms. This open-source browser extension, UI.Vision RPA, can be enhanced with local applications for desktop UI automation, ensuring a comprehensive solution. With its core built on open-source principles, UI Vision promises enterprise-level security, ensuring that your data remains securely on your device. Join over 100,000 users in streamlining workflows, whether on your desktop or within your browser. The visual UI testing features offered by UI Vision empower web designers and developers to confirm the accuracy and design of websites and canvas elements. Additionally, UI Vision possesses the capability to detect and interpret images and text embedded within canvas elements, images, and videos. It can also adjust the browser window size to simulate different resolutions, making it an invaluable tool for testing layouts across various browser dimensions and ensuring a flawless visual presentation for mobile, web, and native applications. With UI Vision, you can significantly enhance your productivity and achieve consistent results in your automation tasks.

All-in-one solution for test automation You can get started quickly and scale up to any level for any team. Katalon Studio Robust testing on all platforms Productive IDE allows you to easily create automated tests for all platforms and OSs, regardless how complex your application is. A powerful recording utility that stores all UI elements in a single place to maximize reusability. For beginners, codeless experience Experts can extend their testing capabilities. Set up projects Templates for projects with built-in features Start immediately with pre-made templates, test cases libraries, keywords, object repositories, and other useful tools. All types of end-to-end testing at one place Uniquely perform web and mobile testing - all within a single project

When you engage with a web page, Screenster captures your interactions seamlessly. There’s no need for coding, referencing element IDs, or inserting checks and assertions. After recording your test, you can rerun it while allowing Screenster to enhance its performance. It automatically identifies parameters, and self-healing selectors are saved for every action taken. You can review and approve any alterations to the baseline, updating the default state of the user interface as needed. Additionally, you have the option to exclude specific UI elements from the comparison process. Forget about browser plugins, desktop installations, or complicated manuals; just enter a URL for a Screenster server and start your experience. Screenster is adept at detecting both visual and content modifications, utilizing advanced algorithms to compare test outcomes against the baseline and identify new, removed, or modified elements. Its intelligent selectors can effortlessly track moved or altered page components. Furthermore, Screenster intelligently adjusts timeouts and employs AI to determine the optimal moment to proceed to the next action. You can choose to execute your tests on our cloud platform or opt to download and install Screenster Server locally for on-premise use. Not only does Screenster simplify the testing process, but it also enhances efficiency and accuracy, making it an invaluable tool for developers and testers alike.

No need for WebDriver, and there's no requirement for manual timeouts. With seamless cross-browser testing, TestCafe operates without relying on WebDriver or any additional testing tools. Built on Node.js, it utilizes the browsers already installed on your system. TestCafe eliminates the hassle of inserting manual timeouts and dealing with complex boilerplate code. This allows you to focus your efforts on essential tasks rather than chasing down pesky bugs. Available for free and distributed under the MIT license, TestCafe demonstrates a strong commitment to the open-source community while continuously enhancing its features. Thanks to its user-friendly syntax, teams can achieve higher productivity from the very beginning. Don’t be overwhelmed by Internet Explorer; instead, run your tests on both desktop and headless browsers. You can connect to remote testing servers, mobile devices, and cloud-based browser farms, enabling you to execute tests across multiple browsers simultaneously, thus optimizing both time and computing resources. With TestCafe, testing becomes not just efficient but also incredibly straightforward.

You possess the framework for expansion — now it's time to implement it on a tailor-made website. You can already envision the future landscape of web development, and now it’s time to transform that vision into a seamless operation. This goes beyond just a headless CMS; it includes UI testing, image optimization, and real-time previews. Break your website down into modular sections and create them using components in Next and Nuxt, then deliver them to a website builder. The visual builder enables you to swiftly select and adjust your fields for personalized content. You can drag and drop various elements such as rich text fields, geopoints, images, and color fields. Additionally, you can establish multiple views for images to effectively manage responsive designs. Simply upload an image, and prismic.io will automatically crop, resize, and create the appropriate responsive views. You can also develop a taxonomy or create relationships by associating articles with categories or authors, ensuring the safe linking of internal content entries that can be transformed into actual URLs. As a result, you not only enhance the website's functionality but also improve user experience and accessibility.

Eggplant empowers organizations to create incredible digital experiences. We help businesses monitor, analyze and improve their customer experience. Eggplant is used by companies around the world to outperform their competitors, increase productivity, and delight customers. How does Eggplant work? How? By dramatically improving the quality, responsiveness and performance of their software apps across different interfaces and platforms, browsers and devices -- including mobile, IoT and desktop -- in agile, DevOps and innovative application and data environments.

Web Alert allows you to keep tabs on any website or specific sections within it, ensuring you receive notifications whenever updates occur. This tool is capable of functioning even when access requires logging in, submitting forms, or entering passwords. For instance, you can be alerted about price changes, new articles, exam results, forum responses, or the opening of registration periods. Additionally, it helps you verify whether your own website is online and functioning properly, making it useful for UI testing and overall web monitoring. By utilizing a specialized browser, you can navigate to the desired webpage, and the application records your navigation steps for later automated repetition. You can visually select which text or HTML elements you wish to monitor, ensuring that notifications are only sent for changes in those specific areas, which makes the process efficient and tailored to your needs. This feature enhances user experience by minimizing unnecessary alerts and focusing on the most relevant updates.

ContextQA is an innovative solution designed to help organizations boost their automation testing capabilities, improve software quality, accelerate product release timelines, and significantly reduce costs associated with maintaining software standards by leveraging AI-powered SaaS technology. By transforming manual test cases and user stories into automated tests, AI agents streamline the testing process. Additionally, ContextQA gathers evidence and conducts root-cause analysis when bugs are detected. It identifies key user journeys and highlights deficiencies in the software testing framework. With comprehensive end-to-end testing, including contract testing, there is no longer a necessity for distinct tools for front-end and back-end testing. It allows for the identification of issues, performance improvements, and ensures smooth user interactions across various browsers, mobile devices, and operating systems. Furthermore, ContextQA makes it easier to integrate test cases with minimal effort, facilitating a swift increase in automation coverage for your products and services while ultimately enhancing productivity and efficiency.