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A free CDN for open source projects

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats.

Operating since 2012.

172 billion requests

past month

over 6 449 TB

past month

// load any project hosted on npm

https://cdn.jsdelivr.net/npm/package@version/file


// load jQuery v3.6.4

https://cdn.jsdelivr.net/npm/jquery@3.6.4/dist/jquery.min.js


// use a version range instead of a specific version

https://cdn.jsdelivr.net/npm/jquery@3.6/dist/jquery.min.js

https://cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js


// omit the version completely to get the latest one

// you should NOT use this in production

https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js


// add ".min" to any JS/CSS file to get a minified version

// if one doesn't exist, we'll generate it for you

https://cdn.jsdelivr.net/npm/jquery@3.6.4/src/core.min.js


// omit the file path to get the default file

https://cdn.jsdelivr.net/npm/jquery@3.6


// add / at the end to get a directory listing

https://cdn.jsdelivr.net/npm/jquery/

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css-vars-ponyfill 50.8M downloads
jhildenbiddle
popular esm Version 2.4.9 License MIT
css-vars-ponyfill JS library homepage css-vars-ponyfill JS library on GitHub css-vars-ponyfill JS library on npm Download css-vars-ponyfill JS library
50.8M downloads

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers

Version 2.4.9 License MIT
css-vars-ponyfill JS library homepage
css-vars-ponyfill JS library on GitHub
css-vars-ponyfill JS library on npm
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Keywords
clientcomponentcsscustom propertiescustom propertycustomdomes6ieie9ie10ie11internet explorerjavascriptjs
canvas-size 45.9K downloads
jhildenbiddle
esm Version 2.0.0 License MIT
canvas-size JS library on GitHub canvas-size JS library on npm Download canvas-size JS library
45.9K downloads

Determine the maximum area, height, width, and custom dimensions of an HTML canvas element.

Version 2.0.0 License MIT
canvas-size has no homepage
canvas-size JS library on GitHub
canvas-size JS library on npm
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Keywords
areacanvasheighthtmllimitmaxmaximumoffscreenoffscreencanvaspromisescalesizetestweb workerworker
get-css-data 145 downloads
jhildenbiddle
esm Version 2.1.0 License MIT
get-css-data JS library on GitHub get-css-data JS library on npm Download get-css-data JS library
145 downloads

A micro-library for collecting stylesheet data from link and style nodes

Version 2.1.0 License MIT
get-css-data has no homepage
get-css-data JS library on GitHub
get-css-data JS library on npm
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Keywords
ajaxcomponentcsscssomcsstextcustom propertiescustom propertycustomdomes6iframeimportjavascriptjslegacy
mergician 241.4K downloads
jhildenbiddle
esm cjs Version 2.0.2 License MIT
mergician JS library homepage mergician JS library on GitHub mergician JS library on npm Download mergician JS library
241.4K downloads

Uniquely flexible and light-weight utility for cloning and deep (recursive) merging of JavaScript objects. Supports descriptor values, accessor functions, and custom prototypes. Provides advanced options for customizing the clone/merge process.

Version 2.0.2 License MIT
mergician JS library homepage
mergician JS library on GitHub
mergician JS library on npm
Download mergician JS library
Keywords
deepmergeassignclonecopyextendobjectrecursiveimmutablefilterarrayappendprependdedupduplicates
docsify-themeable 1.5M downloads
jhildenbiddle
js Styles Version 0.9.0 License MIT
docsify-themeable JS library homepage docsify-themeable JS library on GitHub docsify-themeable JS library on npm Download docsify-themeable JS library
1.5M downloads

A delightfully simple theme system for docsify.js. Features multiple themes with rich customization options, an improved desktop and mobile experience, and legacy browser support (IE11+).

Version 0.9.0 License MIT
docsify-themeable JS library homepage
docsify-themeable JS library on GitHub
docsify-themeable JS library on npm
Download docsify-themeable JS library
Keywords
csscustomdocsdocsifydocumentationpropertiesthemethemesthemeablevariables
docsify-tabs 579.7K downloads
jhildenbiddle
esm Version 1.6.3 License MIT
docsify-tabs JS library homepage docsify-tabs JS library on GitHub docsify-tabs JS library on npm Download docsify-tabs JS library
579.7K downloads

A docsify.js plugin for rendering tabbed content from markdown

Version 1.6.3 License MIT
docsify-tabs JS library homepage
docsify-tabs JS library on GitHub
docsify-tabs JS library on npm
Download docsify-tabs JS library
Keywords
docsdocsifydocsify.jsdocumentationgeneratorjavascriptjsmarkdownmdplugintabtabs
css-device-frames 2.4K downloads
jhildenbiddle
Styles Version 1.0.6 License MIT
css-device-frames JS library on GitHub css-device-frames JS library on npm Download css-device-frames JS library
2.4K downloads

A collection of single-element, CSS-only application and device frames with support for multiple themes, customization via CSS custom properties, grid-based layouts, iframe elements, and scrolling content.

Version 1.0.6 License MIT
css-device-frames has no homepage
css-device-frames JS library on GitHub
css-device-frames JS library on npm
Download css-device-frames JS library
Keywords
browsercssdarkdevicedevicesdivelementframeframesimacipadiphonelaptoplightmac
karma-file-fixtures-preprocessor 0 downloads
jhildenbiddle
js Version 3.0.2 License MIT
karma-file-fixtures-preprocessor JS library on GitHub karma-file-fixtures-preprocessor JS library on npm Download karma-file-fixtures-preprocessor JS library
0 downloads

A Karma plugin that makes file content accessible within test environments

Version 3.0.2 License MIT
karma-file-fixtures-preprocessor has no homepage
karma-file-fixtures-preprocessor JS library on GitHub
karma-file-fixtures-preprocessor JS library on npm
Download karma-file-fixtures-preprocessor JS library
Keywords
cssfilefilesfixturefixtureshtmljsonkarma-pluginkarma-preprocessorkarmapluginpreprocessortexttxt
sass-utilities 0 downloads
jhildenbiddle
Version 1.0.0 License MIT
sass-utilities JS library on GitHub sass-utilities JS library on npm Download sass-utilities JS library
0 downloads

A collection of Sass classes, functions, mixins, and other utilities

Version 1.0.0 License MIT
sass-utilities has no homepage
sass-utilities JS library on GitHub
sass-utilities JS library on npm
Download sass-utilities JS library
Keywords
mixinmixinsfunctionfunctionshelperhelperssassscssutilutilsutilities
class-change 2.5K downloads
jhildenbiddle
esm Version 1.1.8 License MIT
class-change JS library homepage class-change JS library on GitHub class-change JS library on npm Download class-change JS library
2.5K downloads

A versatile Element.classList alternative for manipulating CSS class names, triggering change events using HTML data attributes, and creating class-related event listeners using a simple, declarative API.

Version 1.1.8 License MIT
class-change JS library homepage
class-change JS library on GitHub
class-change JS library on npm
Download class-change JS library
Keywords
attributechangeclassclassChangeclassListcssdataeventhtmllistenerpolyfillponyfill
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of presence
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and routing
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and failover
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All files from npm and Github available with zero setup

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A free API for all your
NPM and ESM needs

The jsDelivr API allows you to get details about NPM packages, such as their versions, tags, and files. By analyzing package metadata and its real usage, it can automatically suggest the correct entry point for each file type.

Additionally the API provides detailed download statistics for each project, version, and file, as well as network-wide usage statistics.

Read the API documentation
Get project entry points List project versions List package files
https://data.jsdelivr.com/v1/packages/npm/bootstrap@5.1.0/entrypoints
 
// =>
{
  " entrypoints ": {
    " js ": {
      " file ": " / dist / js / bootstrap .min .js ",
      " guessed ":  false
    },
    " css ": {
      " file ": " / dist / css / bootstrap .min .css ",
      " guessed ":  false
    }
  }
}

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powers jsDelivr

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JavaScript modules

Load modern JavaScript packages built for you on-demand.
Works in modern web browsers, node.js, and deno.

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HTTP/3, minification, brotli compression, fine-tuned HTTP caching, dependency preloading
Permanent storage shared by all edge servers
Learn more about ESM 
								import { Fireworks } from 'https://esm.run/fireworks-js';
								
								let container = document.querySelector('.container');
								
								let options = {
									  gravity: 1.4,
									  opacity: 0.4,
									  autoresize: true,
									  acceleration: 1.00,
									};
								
								let fireworks = new Fireworks(container, options);
								
								fireworks.start();

Analytics and Stats

Use our stats to better understand how your projects are being used, which versions are popular, and which files are being downloaded the most.

See more stats

Top 10 npm packages past 30 days

1 npm/ emoji-datasource-apple 22 219 403 092
2 npm/ bootstrap 13 952 497 947
3 npm/ swiper 10 154 263 846
4 npm/ prebid-universal-creative 9 297 774 954
5 npm/ workbox-cdn 6 993 713 068
6 npm/ slick-carousel 6 606 884 180
7 npm/ hls.js 4 138 537 498
8 npm/ bootstrap-icons 3 470 357 079
9 npm/ mathjax 3 007 619 695
10 npm/ yandex-metrica-watch 2 465 349 323
See more stats
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