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universalviewer

The Universal Viewer is a community-developed open source project on a mission to help you share your 📚📜📰📽️📻🗿 with the 🌎

v4.4.4MITESM + CommonJSTypes: BundledPDF and documents3D, WebGL and game engines
$ npm install universalviewer

Key numbers

As of 25 Sept 2026
Weekly downloads
11.9k
+13% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
31
Direct, from package.json
Last release
-
v4.4.4
GitHub stars
570
207 forks
Open issues / PRs
247 / 30
Contributors
-
Commits, last 52 weeks
221

Downloads

Last week 2026-09-15 to 2026-09-21
010k20k30kSept 2025Mar 2026Sept 2026High 24.7k (30 Jun 2026)Low 7.6k (2 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

11,907 downloads last week, 59,040 in the last month. The 12-month change of +13% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
4.4.4
First published
-
Last push to GitHub
24 Sept 2026same day as the snapshot
Repository archived
No
Open issues
247
Open pull requests
30
Commits, last 52 weeks
221
Dependents on npm
-

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=20
Runtimes
-
Unpacked size (npm)
21.1 MB
Dependencies (31)
xssreactjqueryesbuildjsviewszustandclean-csscopyfilespdfobjectreact-domclassnamespdfjs-distmanifesto.jsmediaelementopenseadragon@iiif/manifoldwaveform-panel@iiif/vocabularyesbuild-plugin-svgesbuild-plugin-less@google/model-viewer@iiif/base-component@iiif/presentation-3mediaelement-pluginsless-plugin-clean-css@universalviewer/aleph@iiif/iiif-av-componentreact-intersection-observer@webcomponents/webcomponentsjs@universalviewer/uv-ebook-components@openseadragon-imaging/openseadragon-viewerinputhook
npm install universalviewer

CDN

jsDelivr: 3.2m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/universalviewer@4.4.4/
  • unpkghttps://unpkg.com/universalviewer@4.4.4/
  • esm.shhttps://esm.sh/universalviewer@4.4.4
PackageWeekly downloadsGzipLast releaseModuleComparison
@tato30/vue-pdf33k-1 month agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.