PDF.js Express Plusplay_arrow

Professional PDF.js Viewing & Annotations - Try for free

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Get Started

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Learn more

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Common use cases

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Open a document

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Save a document

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Viewer

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UI Customization

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Annotations

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Collaboration

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Forms

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Signature

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Measurement

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Compare

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Advanced Capabilities

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PDF.js Express REST API

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Migration Guides

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Set up real-time collaboration

The following features are available in:

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PDF.js Express Viewer

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PDF.js Express Viewer is a free viewer with limited capabilities compared to PDF.js Express Plus

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PDF.js Express Plus

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PDF.js Express Plus is a commercial PDF SDK for viewing, annotating, signing, form filling and more

  1. Download the PDF.js Express Web Viewer SDK and unzip the package.
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  1. Copy lib/ folder to a location on your web server.
  2. Create an HTML page.
  3. Add the PDF.js Express script to the <head> of the HTML page.
<script src="lib/webviewer.min.js"></script>
  1. Add necessary scripts server methods. In this guide, we are going to include Firebase library and a separate file named server.js
<script src="https://www.gstatic.com/firebasejs/3.5.3/firebase.js"></script>
<script src="server.js"></script>
  1. Add a script to initiate and use PDF.js Express.
<script src="main.js"></script>
  1. Create a <div> tag in the HTML <body> and give it an id. This will be the container for the PDF.js Express Web Viewer
<div id="viewer"></div>