Fast. Reliable. Automated.

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.

214 billion requests

past month

over 9 214 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/

jsDelivr operates thanks to our main sponsors:

Real-time search by

Filter for:

imjoy-rpc 85.9K downloads

esm Version 0.5.59 License MIT

85.9K downloads

Remote procedure calls for ImJoy.

Version 0.5.59 License MIT

Keywords

imjoyrpc

@itk-viewer/utils 0 downloads

InsightSoftwareConsortium

esm Version 0.1.4 License Apache-2.0

0 downloads

Utils for io and itk-wasm packages

Version 0.1.4 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

@itk-viewer/viewer 0 downloads

InsightSoftwareConsortium

esm Version 0.6.2 License Apache-2.0

0 downloads

Multi-dimensional web-based image, mesh, and point set viewer

Version 0.6.2 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

@itk-viewer/io 0 downloads

InsightSoftwareConsortium

esm Version 0.4.3 License Apache-2.0

0 downloads

Multi-dimensional image IO

Version 0.4.3 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

@itk-viewer/element 0 downloads

InsightSoftwareConsortium

esm Version 0.6.6 License Apache-2.0

0 downloads

Web Component for multi-dimensional viewer

Version 0.6.6 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

@itk-viewer/arcball 0 downloads

InsightSoftwareConsortium

js Version 0.0.1 License Apache-2.0

0 downloads

Rotate, pan, and zoom a camera using an arcball.

Version 0.0.1 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

@itk-viewer/blosc-zarr 0 downloads

InsightSoftwareConsortium

esm Version 0.2.3 License Apache-2.0

0 downloads

Decompress Blosc compressed Zarr data in the browser

Version 0.2.3 License Apache-2.0

Keywords

3dvisualizationray-tracingwebglwebgpumedicalscientificitkwasmwebassemblyimjoyxstateimagegeometrypoint

imjoy-core 6.8K downloads

esm Styles Version 0.14.5 License MIT

6.8K downloads

The core library for ImJoy -- a sandboxed plugin framework for computational web applications.

Version 0.14.5 License MIT

Keywords

ImJoyPWADeep Learning

@itk-viewer/imjoy-api 0 downloads

InsightSoftwareConsortium

esm Version 0.0.18 License Apache-2.0

0 downloads

Imjoy plugin wrappers

Version 0.0.18 License Apache-2.0

imjoy-jupyter-extension 0 downloads

js Version 0.3.0 License MIT

0 downloads

Running ImJoy plugins in JupyterLab

Version 0.3.0 License MIT

Keywords

jupyterwidgetsipythonipywidgetsimagingvisualizationimjoyjupyterlabjupyterlab-extension

Multi-CDN Global Network

Built for production

Four CDN
& three DNS providers

More than 540 points
of presence

Low latency "Near China"
network

Smart load-balancing
and routing

Multi-layer cache
and failover

Formal ToS
and Privacy Policy

View our network map

Developer Friendly

All files from npm and GitHub available with zero setup

Usage statistics

Combine multiple
files on-demand

Minify files on-demand

Source map support

Version aliasing

Multiple
IDE Integrations

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

}

}

}

A New-Age CDN for
JavaScript modules

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

Global Multi-CDN

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.

Top 10 npm packages past 30 days

1 npm/ emoji-datasource-apple 22 746 062 583

2 npm/ bootstrap 14 244 436 470

3 npm/ swiper 11 012 074 339

4 npm/ prebid-universal-creative 9 246 605 940

5 npm/ workbox-cdn 6 946 813 260

6 npm/ slick-carousel 6 646 515 936

7 npm/ hls.js 4 248 573 075

8 npm/ bootstrap-icons 3 551 531 511

9 npm/ mathjax 2 981 421 300

10 npm/ yandex-metrica-watch 2 498 526 647

Custom CDN Endpoints

jsDelivr is happy to support unique OSS use-cases that require a fast CDN

Explore all custom endpoints

294 583 430

Requests past month

273 GB

Bandwidth past month

24 156 017

Requests past month

2 456 GB

Bandwidth past month

7 529 124

Requests past month

6 850 GB

Bandwidth past month

36 590

Requests past month

1 524 GB

Bandwidth past month

6 250 101

Requests past month

236 GB

Bandwidth past month

635 619

Requests past month

66 GB

Bandwidth past month

Explore all custom endpoints

jsDelivr is used by millions of websites globally

Become a sponsor

Become a sponsor