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WebViewer Documentation (JavaScript PDF Library)

WebViewer is a pure client-side JavaScript library to view, annotate and edit documents.

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PDFTron’s fully supported WebViewer is trusted by thousands of innovative startups, governments, and Fortune 500 businesses (see customers). PDFTron technology is built from the ground up and is not dependent on any external third-party open-source software.

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linkCustomizable

linkFramework Support

WebViewer is compatible with any JavaScript framework by using a DOM element to place the document viewing component. The following pre-built samples are available for quick integration, but it's easy to setup WebViewer with any framework.

If you don't see your framework in the list then you can check out the framework guide which explains how to integrate WebViewer into any framework.

linkFile Type Support

  • PDF, PDF/A
  • DOCX, XLSX, PPTX (MS Office software or licenses not required)
  • JPG,PNG

Additional formats available with the optional WebViewer Server and Custom Server setups.

linkBrowser Support

BrowserSupported Versions
ChromeAll ✓
FirefoxAll ✓
SafariAll ✓
EdgeAll ✓
Internet Explorer*10+
Android Chrome59+
Mobile Safari11+
*IE's JavaScript engine is slow compared to more modern browsers and this can impact the performance of client only rendering

Additional browsers supported with the optional WebViewer Server and Custom Server setups.

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