GreenSock’s GSAP JavaScript animation library (including Draggable)

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Ultra high-performance, professional-grade animation for the modern web

GSAP is a JavaScript library for creating high-performance animations that work in every major browser. No other library delivers such advanced sequencing, reliability, API efficiency, and tight control while solving real-world problems on over 8 million sites. GSAP works around countless browser inconsistencies; your animations 'just work'. CSS properties, SVG, canvas libraries, custom properties of generic objects, colors, strings…animate anything! At its core, GSAP is a high-speed property manipulator, updating values over time with extreme accuracy. It's up to 20x faster than jQuery! See the "Why GSAP?" article for what makes GSAP so special.

Full documentation

What is GSAP? (video)

What is GSAP?

Getting started video

Getting started video

Unlike monolithic frameworks that dictate how you structure your apps, GSAP is completely flexible; sprinkle it wherever you want. React, Vue, Angular or vanilla JS – doesn't matter. Simply put, GSAP is the most robust high-performance animation library on the planet, which is probably why every major ad network excludes it from file size calculations.

Zero dependencies.

This is the public repository for GreenSock's JavaScript tools like GSAP and Draggable. "GSAP" describes all of the animation-related tools which include TweenLite, TweenMax, TimelineLite, TimelineMax, various plugins, extra easing functions, etc.


TweenMax is most popular because it has all the essential tools plus several common plugins, all in one file:

<script src=""></script>

Click the green "Download GSAP" button at for more options. Click "customize" at the bottom of the resulting window to see all the extra plugins and tool URLs.

Draggable, for example, is at:

<script src=""></script>

Most ad networks have GSAP on their CDNs as well, so contact them for the appropriate URL(s).


See the full guide to using GSAP via NPM.

npm install gsap

The default (main) file is TweenMax which includes TweenLite, TimelineLite, TimelineMax, all of the eases (except CustomEase/CustomWiggle/CustomBounce) and the following plugins: css, roundProps, bezier, attr, and directionalRotation.

//typical importimport {TweenMax, Power2, TimelineLite} from "gsap/TweenMax";//or get to the parts that aren't included inside TweenMax:import Draggable from "gsap/Draggable";import ScrollToPlugin from "gsap/ScrollToPlugin";//or, as of 2.0, all tools are exported from the "all" file (excluding bonus plugins):import {TweenMax, CSSPlugin, ScrollToPlugin, Draggable, Elastic} from "gsap/all";//if tree shaking dumps plugins, just reference them somewhere in your code like:const plugins = [CSSPlugin, ScrollToPlugin];

As of version 2.0, the NPM files are ES modules, though there's also a /umd/ directory with UMD files for extra compatibility.

For Club GreenSock-only plugins, download them from your account and then treat them as part of your own JS payload or drop them into your node_modules/gsap folder. Post other questions in our forums and we'd be happy to help.


Get CustomEase for free

Sign up for a free GreenSock account to gain access to CustomEase which lets you create literally any ease imaginable (unlimited control points). It's in the download zip at (when you're logged in).

What is Club GreenSock? (video)

What is Club GreenSock?

Sign up anytime.

Advanced playback controls & debugging


GSDevTools adds a visual UI for controlling your GSAP animations which can significantly boost your workflow and productivity. (Club GreenSock membership required, not included in this repository).

Try all bonus plugins for free on Codepen

Need help?

GreenSock forums are an excellent resource for learning and getting your questions answered. Report any bugs there too please (it's also okay to file an issue on Github if you prefer).


GreenSock's standard "no charge" license can be viewed at GreenSock members are granted additional rights. See for details. Why doesn't GreenSock use an MIT (or similar) open source license, and why is that a good thing? This article explains it all:

Copyright (c) 2008-2019, GreenSock. All rights reserved.

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