Testing Frameworks for Javascript | Write, Run, Debug | Cypress
Cypress helps you write, run, and debug tests for modern web apps, making front-end and browser-based testing fast and easy with visual feedback.
Cypress is a user-friendly platform designed to make testing your modern web applications simple and efficient. You can write, run, and debug tests visually, ensuring your front-end works as intended across different browsers. Whether you’re building new features or maintaining existing projects, Cypress streamlines your workflow with an open-source app that integrates smoothly into your development process.
With Cypress, you get powerful tools like smart orchestration, visual debugging, and automated accessibility checks built right in. The platform also offers cloud features for scaling your tests and analyzing results, so you can release with confidence. If you're looking for a reliable way to automate and accelerate your testing, Cypress provides everything you need in one place.
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Vitest is a fast, next-generation test automation tool that works with Vite to help developers run and manage tests easily in modern JavaScript projects.
Karma is an open-source tool that lets you run JavaScript tests automatically in real browsers, helping developers check code quality quickly and easily.
Polypane is a browser and devtool that helps you build responsive, accessible, and high-quality websites faster.
Argos is an open-source visual testing platform that automates screenshot comparisons to catch visual bugs and regressions in web apps. Free and easy to integrate.
Reflect lets you easily create and run automated web tests using AI, with no coding required. Test across browsers and keep your apps running smoothly.
Ghost Inspector lets you automate browser testing for websites and web apps—no coding needed. Easily catch bugs before they become a problem.
Playwright lets you test your web apps across multiple browsers with reliable, automated end-to-end testing tools and helpful guides for developers.
TestCafe lets you run end-to-end tests for web apps across browsers, with no WebDriver needed. It's open source and easy for both individuals and teams.
LambdaTest lets you test websites and apps across browsers and devices in the cloud, with AI-powered tools for faster, smarter software testing.
Applitools uses AI to automate end-to-end app testing, offering visual checks and no-code tools to help teams ensure flawless results across devices.
Responsinator lets you quickly preview how your website looks on popular devices, helping you test responsive designs and improve user experience.
Blisk is a web browser built for developers to test and debug websites across multiple devices with features like hot reload, screenshots, and scroll sync.
TestGrid offers AI-powered end-to-end testing for web and mobile apps, with codeless automation, real device access, and cloud-based testing tools.
See how web platform features perform across browsers with live test results. Quickly compare browser compatibility for standards-based web technologies.
Browsersync helps you test websites faster by syncing actions and code changes across devices and browsers. Easily automate and streamline your workflow.
Test your apps and websites on 3000+ real browsers and devices. BrowserStack makes cross-browser and mobile app testing easy, fast, and accessible online.
Parsley is a JavaScript library that helps you easily add powerful form validation to your website, making sure users enter information correctly.
Fela is a CSS-in-JS tool that generates unique CSS classes for your styles, ensuring predictable, conflict-free styling in web projects.
Sprite Cow lets you quickly extract CSS background positions and sizes from sprite sheets, making it easy to use sprites in your web projects.
Easily remove unused CSS from your stylesheets online. Just paste your code, clean it up, and copy the optimized CSS—no installation needed.
Sass is a CSS extension language that lets you write cleaner, more powerful stylesheets for websites. It helps you organize and simplify your CSS code.
webpack helps you bundle JavaScript and other assets for the web, making it easier to organize and optimize your project for browsers.
DataTables lets you add sorting, filtering, and more to your HTML tables with a flexible JavaScript library. Easy to use and free for any project.
HTML5 Boilerplate offers a ready-to-use front-end template to help you quickly build fast, robust, and adaptable web apps or sites with modern best practices.
Isotope helps you filter and sort grid layouts on your website, making it easy to organize and display content with smooth animations and custom options.
Modernizr helps you detect HTML5 and CSS3 features in users’ browsers so you can build websites that work smoothly across different devices and browsers.
Select2 offers a customizable, searchable select box for web forms, supporting tagging, remote data, and infinite scrolling with easy integration.
Automatically add vendor prefixes to your CSS online for better browser compatibility. Paste your code and get prefixed CSS instantly.
clipboard.js helps you easily add copy-to-clipboard features to your website or app, with no Flash or bulky frameworks required.
Popper helps you easily position tooltips and popovers in your web apps, making interface elements look great and work smoothly.
Test any website’s responsiveness with a simple browser tool. Instantly preview sites at different screen sizes using a handy bookmarklet—no install needed.
Sahi Pro is a no-code test automation platform for web, desktop, and mobile apps that simplifies and speeds up testing.
Explore guides and documentation for TestCafe, a web-based tool for automating browser testing with easy setup, visual test recording, and JavaScript support.
Preview, compare, and customize cubic-bezier curves for CSS animations. Easily adjust, copy, and export timing functions for your web projects.
Selectivizr is a JavaScript tool that brings CSS3 selectors to Internet Explorer 6-8, helping older browsers support modern web design features.
Barba.js helps you add smooth, fluid page transitions to your website with easy setup and flexible features for a more engaging browsing experience.
Firebug was a browser tool for inspecting HTML, CSS, and JavaScript, helping web developers debug and build better websites right in the browser.
Highlight.js lets you easily add syntax highlighting to code on websites or apps, supporting many languages and working with Node.js and the web.
Swiper offers a free, open-source mobile touch slider for websites and apps, featuring fast, smooth transitions and easy integration with modern frameworks.
Fancybox lets you display images, HTML, and multimedia in stylish overlays on your website, offering a simple, customizable lightbox built with jQuery.
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