OpenSeadragon works with a variety of zooming image formats. These zooming images generally consist of a number of individual tiles, organized so they can be accessed as needed. If you have a large image you'd like to zoom, you'll need to convert it first. There are a number of conversion options depending on your needs.
Probably the easiest is to use a service like Zoomable or ZoomHub.
If you'd rather convert the images yourself (either locally or on your server), VIPS may be your best option; it's fast, robust, and compatible with many systems.
DZI |
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| Deepzoom | PHP | DZI |
| deepzoom | Perl utility | DZI |
| deepzoom.py | Python | DZI |
| DZT | an image slicing library and tool written in Ruby | DZI |
| Gmap Uploader Tiler | C++ | DZI |
| MagickSlicer | shell script (Linux/Mac) | DZI |
| Node.js Deep Zoom Tools | Node.js, under construction | DZI |
| PHP Deep Zoom Tools | PHP | DZI |
| PyramidIO | Java (command line and library) | DZI |
| Sharp | Node.js, uses VIPS | DZI |
| VIPS | command line tool and library for a number of languages | DZI via the dzsave feature |
| Zoomable | service (free and premium), offers embeds; API available; Image and Viewer generators for Wordpress, Photoshop and Image Composite Editor are available. | DZI |
| ZoomHub | service (free for personal use): offers embeds and developer API | DZI |
IIIF |
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| Cantaloupe | Server | IIIF |
| IIIFHosting | Service, image hosting | IIIF |
| IIPImage | Server | IIIF |
| Kakadu |
C++ library to encode or decode JPEG 2000 images
example of a batch convert script: process.py (Diva.js project) |
IIIF (requires a IIIF-compliant image server with JPEG 2000 support, like Loris; see also iiif.io for more details) |
| Micrio | Service (cloud-based tiling & hosting), offers embeds | IIIF |
TMS |
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| GDAL2tiles | Python | TMS |
| MapTiler | desktop app for Windows, Mac, Linux | TMS |
Zoomify |
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| Zoomify App | Free proprietary desktop app for Windows and Mac | Zoomify |
| Zoomify Image | Python | Zoomify |
| Zoomify Library | PHP, free standalone script or integrated in the open source digital library Omeka S via the module IIIF Server | Zoomify |
| Zoomify Plugin | Free proprietary export plugin for Photoshop | Zoomify |
| Dataflow-zoomify-image | Free Google Cloud Dataflow template allowing large amounts of images to be processed in parallel | Zoomify |
If none of these options meet your needs, you can create your own tile-generating tool. See this page for more information on the DZI format.