OpenSeadragon Viewer

Pan, zoom, rotate and flip huge images with DZI and IIIF tile sources and copy-ready viewer code.

OpenSeadragon Viewer — pan, zoom, rotate and flip huge images with DZI and IIIF tile sources and copy-ready viewer code.

How to use OpenSeadragon Viewer

  1. Load the demo test pattern, your own image file, or an image URL
  2. Drag to pan, scroll to zoom, and use the toolbar to rotate, flip or go home
  3. Pick a tile source type and set the viewer options to match your project
  4. Check the tile pyramid table and parse or build a DZI descriptor
  5. Copy the real OpenSeadragon init code and paste it into your project after npm install openseadragon

Features

  • Working in-browser deep-zoom viewer: drag to pan, scroll to zoom, rotate, flip and go home
  • Real OpenSeadragon 6.1.1 viewer options with documented defaults: zoomPerClick, maxZoomPixelRatio, animationTime and more
  • All nine real tile source types from the repo: DZI, IIIF, Image, OSM, TMS, Zoomify, IIP, Iris and Legacy
  • Tile pyramid table computed from the repo maths: maxLevel, level scale and tile counts per level
  • DZI descriptor parser and builder — the repo testpattern.dzi round-trips exactly, plus copy-ready OpenSeadragon init code

Frequently asked questions

Is it free?

Yes, unlimited.

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