Fully Featured IIIF Viewer

Mirador is a configurable, extensible, and easy-to-integrate image viewer, which enables image annotation and comparison of images from repositories dispersed around the world. Mirador has been optimized to display resources from repositories that support the International Image Interoperability Framework (IIIF) API's. Mirador provides several workspaces for comparing image-based resources, suitable for use in both cultural heritage and research settings.

Classic Image Viewer Features

  • Compare images
  • Zoom and pan
  • Book, gallery, and scroll views

Rich Metadata display

  • Item and canvas level metadata
  • Table of contents
  • Multiple sequences

Flexible Configuration

  • Mosaic workspace for snap-to-grid window display
  • Elastic workspace for free window arrangement
  • Easily import and export your workspace state for later reuse


  • Annotation creation available via plugin
  • Supports viewing both OpenAnnotation and W3C Web Annotation standards

IIIF API Support

  • v2 and v3 Image and Presentation
  • Authentication
  • Search
  • Image Level 0
  • Audio and Video support through Presentation v3
  • IIIF Collection viewing and navigation

Multilingual Support

  • Available in 12 languages
  • Comprehensive right-to-left support

Customizable Out of the Box

  • Rich set of out-of-the-box configurations
  • Themable
  • Light / Dark mode


  • Available as a single JS file or customizable build
  • Plugin framework enables additional customization

Open Source, Community-Driven Software

  • Built with an accessibility focus
  • Friendly developer community
  • Continuous integration and testing

Participate in the Community

Mirador's development, design, and maintenance is driven by community needs and ongoing feedback and discussion. Join us at our regularly scheduled community calls, on IIIF slack or the iiif-discuss mailing list. To suggest features, report bugs, and clarify usage, submit a GitHub issue.

Current Mirador Status

A beta release of Mirador 4 is now available! This includes major updates to React to version 18 and the Material UI interface library it uses to version 5, an overhaul of its automated testing suite to use React Test Library, and much more. You'll find a complete list of changes in the 4.0.0.alpha-1 release notes.

The community is shifting its attention now to assessing plugin compatibility with version 4, reviewing documentation, and improving digital accessibility. As always we’d be thrilled for you to join the effort! Please reach out to the community through the channels listed above if you wish to learn more about where and how to help.