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.

Everything you need to Create Modern Web Applications

Build data-intensive, complex apps effortlessly with our ready-to-use and high-performance UI components.

Develop

Build web apps faster and easier with an enterprise-ready framework, components, and tools built to work together seamlessly.

Design

Accelerate your design process with pre-integrated tools like Sencha Architect, Stencils, and Themer that help you create, prototype, and style your Ext JS applications.

Test

The most comprehensive unit and end-to-end testing solution for Ext JS that helps you deliver high-quality applications faster.

Adaptive

Ext JS flexible layout manager helps you create responsive web applications that look great on any device.

Accessibility

Ext JS aligns with ADA Standards. ARIA package ensures accessibility for Section 508 Compliance.

Data Package

The robust data package included in Ext JS decouples the UI components from the data layer.

Accelerate your web application development with Ext JS

Ext JS is an enterprise-ready JavaScript framework with a comprehensive component library. Our 140+ pre-built components include grids, pivot grids, exporters, layouts, charts, and D3 adapters. With the Sencha platform, your team can focus on building apps without having to worry about the framework. You can get your app to market faster and reduce maintenance costs because Ext JS and the UI library are integrated seamlessly.