ImageBox3 is a JavaScript library for zero-footprint, in-browser patch extraction from TIFF-based Whole Slide Imaging (WSI) data. No (server-side) tiling service needed! All computation is performed on your device using HTTP Range Requests to retrieve remote patches without downloading the entire image. This ensures complete user governance while operating public and private images alike at zero cost. ImageBox3 is freely usable and immediately portable to any device with a web browser. Try it below:

(The viewer on the left uses OpenSeadragon + a fork of the GeoTIFFTileSource plugin.)

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