jQuery UI provides abstractions for low-level interaction and animation, advanced effects and high-level, themeable widgets, built on top of the jQuery JavaScript Library, that you can use to build highly interactive web applications.

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Rich effects and UI widgets

jQuery UI features low-level effect and interaction API's (like drag and drop) as well as full-featured and highly configurable ready-to-use widgets. Supports IE 6.0+, FF 2+, Safari 3.1+, Opera 9.0+ and Chrome 1.0.

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Powerful theme framework

Unique CSS framework, ThemeRoller tool and theme gallery makes creating a custom look and feel for your application fast and easy.

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Flexible & easy to learn

Leverages the power of jQuery, making it easy to start right away with detailed documentation, tutorials and a vibrant community.

Recent activity

jQuery UI 1.7.1 is now out. What's new

jQuery UI 1.6 legacy release finalzied. Learn more

ThemeRoller Firefox Developer Bookmarklet released. Try it!

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