⚡ JavaScript Libraries in Brazil

JavaScript libraries are collections of prewritten code that provide reusable functions and components for building interactive features and handling common client-side tasks in web applications.

Brazil is a South American country with a population of around 217 million people.

According to our statistics, JavaScript libraries are used on 80.1% of websites from Brazil.

Statistics based on 76K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top JavaScript libraries in Brazil in 2026, based on market share.

The most popular is jQuery, which dominates the market with an overwhelming 86.4% share.
It is followed by Swiper with 28.7% and Facebook SDK with 22.9%.

jQuery 86.4%
Swiper 28.7%
Facebook SDK 22.9%
Lottie 17.4%
ImagesLoaded 15.3%
Owl Carousel 12.5%
Slick 11.5%
React 11.5%
SmartMenus 10.5%
Polyfill 10.4%
🍪 JS Cookie 9.4%
Waypoints 7.8%
Magnific Popup 7.2%
Fancyapps 7%
Modernizr 6.3%

🚀 Highlights

Here is a list of the top libraries that are more popular in Brazil than worldwide.
Differences between global and country rankings are shown in parentheses.

4. Lottie ^(-5)
6. Owl Carousel ^(-2)
9. SmartMenus ^(-11)
12. Waypoints ^(-5)
16. Popper ^(-7)
17. Isotope ^(-5)
22. Wow.js ^(-4)

✨ Best JavaScript Libraries

Below is a more detailed list of the top 25 of the 287 JavaScript libraries used on sites from Brazil, ranked by their market share.

Rank	Name	Market share
1	jQuery San Francisco, California, United States A fast, small, feature-rich JavaScript library designed to simplify HTML DOM tree traversal and manipulation, event handling, CSS animations, and Ajax. FreeOpen source	86.4%
2	Swiper Weston, Florida, United States A modern touch slider library for building responsive sliders and carousels with hardware-accelerated transitions. FreeOpen source	28.7%
3	Facebook SDK Menlo Park, California, United States A library that provides client-side tools for Social Plugins, Login, and Graph API calls. Free	22.9%
4	Lottie San Francisco, California, United States An animation framework created by Airbnb that lets developers export Adobe After Effects animations as JSON and render them natively on mobile, desktop, and the web. FreeOpen source	17.4%
5	ImagesLoaded Alexandria, Virginia, United States An open-source JavaScript library that detects when images and CSS background images have finished loading, allowing code to run only after loading is complete. FreeOpen source	15.3%
6	Owl Carousel Germany A deprecated open-source jQuery plugin for creating responsive, touch-enabled, and accessible carousel sliders. FreeOpen sourceLegacy	12.5%
7	Slick New York, United States An open-source jQuery carousel library for creating responsive, touch-enabled, and keyboard-accessible content sliders. FreeOpen source	11.5%
8	React Menlo Park, California, United States A popular open-source JavaScript library for building dynamic user interfaces through reusable and stateful UI components, originally created by Facebook. FreeOpen source	11.5%
9	SmartMenus Plovdiv, Bulgaria A jQuery plugin for creating mobile-first, responsive, and accessible list-based website menus that work on all devices. FreeOpen source	10.5%
10	Polyfill London, United Kingdom An open-source JavaScript library that provides modern web API features to older browsers that do not natively support them. FreeOpen source	10.4%
11	🍪 JS Cookie Germany An open-source, lightweight JavaScript library for managing browser cookies. FreeOpen source	9.4%
12	Waypoints West Linn, Oregon, United States An open-source JavaScript library that executes functions when users scroll to specific elements on a web page. FreeOpen source	7.8%
13	Magnific Popup Kyiv, Ukraine A responsive lightbox and dialog plugin for jQuery and Zepto.js. FreeOpen sourceLegacy	7.2%
14	Fancyapps Ogre, Latvia A commercial JavaScript UI component library for creating lightboxes, carousels, and interactive image viewers. €29+	7%
15	Modernizr San Francisco, California, United States An open-source feature detection library that identifies browser support for HTML, CSS, and JavaScript features and allows websites to adapt accordingly. FreeOpen source	6.3%
16	Popper Monza, Italy An open-source JavaScript library for positioning and displaying floating UI elements such as tooltips, popovers, and dropdowns. FreeOpen source	6.2%
17	Isotope Alexandria, Virginia, United States A commercial JavaScript library for creating filterable and sortable grid layouts. FreeOpen source$25+	5.5%
18	Underscore.js Boston, Massachusetts, United States A utility library for JavaScript that provides support for functional programming helpers (each, map, reduce, filter) without extending any built-in JavaScript objects. FreeOpen source	5.5%
19	FlexSlider San Francisco, California, United States A responsive jQuery slider created by the WooCommerce team and included with WooCommerce. FreeOpen source	5.2%
20	Lightbox San Francisco, California, United States The original lightbox library used to overlay images on top of the current page. FreeOpen source	5.1%
21	jQuery Easing Wilberfoss, North Yorkshire, United Kingdom A jQuery plugin that adds 10+ advanced easing animations. FreeOpen source	5.1%
22	Wow.js United Kingdom A JavaScript library that reveals CSS animations when you scroll. FreeOpen source	5%
23	MediaElement.js Dallas, Texas, United States A free, open-source HTML5 audio and video player that enables playback of MP4, WebM, and MP3 media files as well as streamed content in HLS and MPEG-DASH formats. FreeOpen source	4.9%
24	jQuery BlockUI Rochester, New York, United States The jQuery BlockUI plugin allows developers to block user interaction on the page or part of the page. FreeOpen source	4.6%
25	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	4%

👉 See Also

🌎 JavaScript Libraries in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 76,003 websites from Brazil.
We currently track the presence of 312 JavaScript libraries across the web.
Of these, 287 were detected on websites from Brazil.
Statistics were last calculated on September 18, 2026.
For more details, see our methodology and disclaimer.