Skip to content
Switch branches/tags
Go to file

Latest commit


Git stats


Failed to load latest commit information.
Latest commit message
Commit time

Universal Viewer

Backers on Open Collective Sponsors on Open Collective Build Status License

examplesΒ Β Β Β  google groupΒ Β Β Β  twitterΒ Β Β Β  #slack

npm install universalviewer --save


Visit the UV demo page to try it out.


  • Zoomable

    OpenSeadragon image zooming using the IIIF image API

  • Embeddable

    YouTube-style embedding with deep links to specific pages/zoom regions.

  • Themable

    Fork the UV theme on github to create your own.

  • Configurable

    The UV has its own visual configuration editor allowing all settings to be customised.

  • Extensible

    Supports IIIF Presentation API v3 (in development), allowing 3D, audio, video, and pdf viewing experiences.

More about the Universal Viewer

Getting Started

For a "hello world" getting started example see uv-hello-world.


Read below to learn how to take part in improving the UV:

  • Fork the repository and run the examples from source
  • Get familiar with Code of Conduct
  • Read our guide to contributing
  • Find an issue to work on and submit a pull request
    • First time contributing to open source? Pick a good first issue to get you familiar with GitHub contributing process.
    • First time contributing to the UV? Pick a beginner friendly issue to get you familiar with codebase and our contributing process.
    • Want to become a Committer? Solve an issue showing that you understand UV objectives and architecture. Here is a good list to start.
  • Could not find an issue? Look for bugs, typos, and missing features.




Read below how to engage with the UV community:

  • Join the discussion on Slack.
  • Ask a question, request a new feature and file a bug with GitHub issues.
  • Star the repository to show your support ⭐


Become a backer and support us with a monthly donation and help us continue our activities.

Become a sponsor and join our Steering Group to help guide how our sponsorship funds are allocated.


The Universal Viewer is released under the MIT license.

Accessibility Statement