I wrote something similar in JS https://github.com/gildas-lormeau/zip.js/blob/master/WebContent/zip.js https://github.com/gildas-lormeau/zip.js/blob/master/Web

I wrote something similar in JS https://github.com/gildas-lormeau/zip.js/blob/master/WebContent/zip.js https://github.com/gildas-lormeau/zip.js/blob/master/WebCont... The HttpRangeReader class is able to extract a file from the zip without downloading the whole zip. Thanks to new Blob APIs , extracting data from a zip without compression is quite fast. Then, you just have to use url.createObjectURL to convert the Blob object into a URL.