JSZip is a javascript library for creating, reading and editing .zip files, with a lovely and simple API. Current version : v3.10.1 License : JSZip is dual-licensed. You may use it under the MIT license or the GPLv3 license. See LICENSE.markdown. Example var zip = new JSZip(); zip.file("Hello.txt", "Hello World\n"); var img = zip.folder("images"); img.file("smile.gif", imgData, {base64: true}); zi