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Ext JS 8.0 is now available
A JavaScript Framework Enterprise Teams Actually Rely On
Ext JS is built for teams who need more than a trendy framework — proven stability, deep components, and long-term support for mission-critical applications.
140+ Components
20+ Years of Excellence
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Trusted by the world’s leading companies
Build data-intensive applications using JavaScript
Ext JS is a comprehensive JavaScript framework that lets you build cross-platform web and mobile applications for any modern device.
Data Grids Built for Enterprise-Scale Data
Load, sort, and filter millions of rows without lag – Ext JS data grid is built to handle enterprise-scale datasets in milliseconds.
Effortless Navigation with Nested Tree Views
Organize complex hierarchies – folders, categories, org charts into clean, expandable tree structures your users can navigate intuitively.
Root
Child 1
Child 2
Parent
Child 1
Child 2
Forms Engineered for Complex Business Workflows
Create secure, responsive forms with built-in validation, error handling, and flexible layouts – ready for login flows, sign-ups, and beyond.
Login/Sign Up
Accordion Layouts for Focused Information Access
Organize events into structured, expandable sections, making dense calendar information easy to navigate without overwhelming users.
4.1 / 5
Security & Compliance
Why develop with
Sencha Ext JS?
Discover why Sencha Ext JS is trusted for building powerful enterprise applications, combining a rich component library, faster development, high performance, robust security, and seamless cross-platform compatibility.
Rich Set of UI Components
Ext JS ships 140+ pre-integrated components library covering data grids, forms, charts, navigation, layouts, helping teams build interfaces faster.
Faster Time to Market
Skip cross-browser testing and manual integration work with pre-built tools and components that accelerate production-ready app delivery.
Secure Framework
Protect mission-critical applications with a proprietary framework engineered for safety, data integrity, and controls in demanding environments.
High Productivity
Standardize development with reusable components, consistent patterns, and integrated tooling that streamline development, debugging, testing, and maintenance.
Performance
Process data over 300x faster than competing frameworks using Ext JS’s object-oriented architecture built for enterprise-scale performance.
Platform & Browser Support
Tested across major browsers and platforms – web, mobile, tablets, and desktop with layouts adapting seamlessly to screens.
Tired of unsecured open-source UI frameworks putting your business at risk?
Explore real-world React applications built with ReExt, showcasing powerful components, seamless interactions, scalable architecture, and the performance needed to deliver modern, production-ready digital experiences.
