Nuclear Powered Marshmallows


    0.6.19 • Public • Published

    ViewerJS for node


    Compared to the original ( this fork:

    • Will show a warning message if the document is not supported
    • Can play video files (thanks to
    • Can show image files (thanks to
    • Can be build with node (instead of make/cmake)
    • Is easier to use with node-js/express-js
    • No inline style and inline script tags in index.html
    • Can be found on NPM (node-viewerjs)

    Changes 2

    • HTML viewer (can be used for docx with mammoth)

    How to use with express

    var express = require('express'),
        app     = express();
    app.use('/viewer', express.static('node_modules/node-viewerjs/release'));


    Original Readme

    The viewer uses HTML, CSS, and icons derived from the Mozilla PDF.js project. Some icons are derived from the project under a Creative Commons Attribution 3.0 Unported license.


    ViewerJS combines a number of excellent open source tools that are built on HTML and javascript. ViewerJS was funded by NLnet foundation and developed by KO GmbH.

    The heavy lifting in ViewerJS is done by these awesome projects:


    WebODF is a JavaScript library created by KO GmbH. It was started by Jos van den Oever at KO and is now developed by a growing team including external collaborators. It makes it easy to add Open Document Format (ODF) support to your website and to your mobile or desktop applications. It uses HTML and CSS to display ODF documents.


    PDF.js is a library created by Andreas Gal and others at Mozilla Labs. It is an HTML5 technology experiment that explores building a faithful and efficient Portable Document Format (PDF) renderer without native code assistance.

    Examples and more

    You can find additional information, some usage guides, and live examples at the project homepage.


    ViewerJS is a Free Software project. All code is available under the AGPL.

    If you are interested in using ViewerJS in your commercial product (and do not want to disclose your sources / obey AGPL), contact KO GmbH for a commercial license.


    npm i node-viewerjs-ilkkah

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    7.51 MB

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    • ile