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.

249 billion requests

past month

over 11 591 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:

@taichunmin/crc 1.2K downloads

esm cjs Version 0.0.14 License MIT

1.2K downloads

A cross platform alternative for calculating Cyclic Redundancy Checks (CRC) values.

Version 0.0.14 License MIT

Keywords

crc8crc8autosarcrc8bluetoothcrc8cardxcrc8cdma2000crc8darccrc8dvbs2crc8ebucrc8gsmacrc8gsmbcrc8hitagcrc8icodecrc8itucrc8legiccrc8mad

@taichunmin/buffer 247 downloads

esm cjs Version 0.13.14 License MIT

247 downloads

A cross platform alternative of Node buffer base on UInt8Array.

Version 0.13.14 License MIT

Keywords

arraybufferbrowserbrowserifybuffercompatibledataviewuint8array

chameleon-ultra.js 316 downloads

esm cjs Version 0.3.25 License MIT

316 downloads

A JavaScript SDK for ChameleonUltra using Web Bluetooth, Web Serial and SerialPort.

Version 0.3.25 License MIT

Keywords

browserchameleon-ultrachromeCOMmifare classicnfcRFIDserial portserialserialportUARTweb bluetoothweb serialweb-bluetooth-apiweb-serial-api

@taichunmin/bitfinex 0 downloads

esm cjs Version 0.0.8 License MIT

0 downloads

An unofficial implementation of the Bitfinex REST APIs written in TypeScript.

Version 0.0.8 License MIT

Keywords

bitfinex

pn532.js 195 downloads

esm Version 0.1.19 License MIT

195 downloads

pn532.js is a JavaScript library for PN532 base on Web Bluetooth and Web Serial.

Version 0.1.19 License MIT

Keywords

13.56MHzbrowserchromelibnfcmifare classicNFCPN532RFIDweb bluetoothweb serial

@taichunmin/node-jose-browserify 0 downloads

js Version 2.2.0 License MIT

0 downloads

Use rollup to build node-jose and publish to npm

Version 2.2.0 License MIT

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 22 723 268 042

2 npm/ bootstrap 13 878 848 758

3 npm/ swiper 10 229 595 859

4 npm/ prebid-universal-creative 9 294 564 349

5 npm/ workbox-cdn 6 963 714 314

6 npm/ slick-carousel 6 581 921 082

7 npm/ hls.js 4 166 016 737

8 npm/ bootstrap-icons 3 445 661 065

9 npm/ mathjax 2 917 436 530

10 npm/ yandex-metrica-watch 2 462 270 641

Custom CDN Endpoints

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

Explore all custom endpoints

1 215 505 481

Requests past month

1 131 GB

Bandwidth past month

106 204 028

Requests past month

10 976 GB

Bandwidth past month

31 385 222

Requests past month

29 134 GB

Bandwidth past month

172 784

Requests past month

6 853 GB

Bandwidth past month

28 776 845

Requests past month

1 092 GB

Bandwidth past month

2 999 300

Requests past month

320 GB

Bandwidth past month

Explore all custom endpoints

jsDelivr is used by millions of websites globally

Become a sponsor

Become a sponsor