PDF.js Express Plusplay_arrow

Professional PDF.js Viewing & Annotations - Try for free

Get Started

play_arrow

Learn more

play_arrow

Common use cases

play_arrow

Open a document

play_arrow

Save a document

play_arrow

Viewer

play_arrow

UI Customization

play_arrow

Annotations

play_arrow

Collaboration

play_arrow

Forms

play_arrow

Signature

play_arrow

Searching

play_arrow

Measurement

play_arrow

Compare

play_arrow

Advanced Capabilities

play_arrow

PDF.js Express REST API

play_arrow

Migration Guides

play_arrow

Open a document from Blob

The following features are available in:

check

PDF.js Express Viewer

help_outline

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

check

PDF.js Express Plus

help_outline

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

If your document is already in Blob format you can pass the Blob object directly to loadDocument function.

WebViewer(...)
  .then(instance => {
    instance.loadDocument(myBlob, { filename: 'myfile.pdf' });

    const { docViewer } = instance;
    docViewer.on('documentLoaded', () => {
      // perform document operations
    });
  });
WebViewer(...)
  .then(instance => {
    instance.UI.loadDocument(myBlob, { filename: 'myfile.pdf' });

    const { documentViewer } = instance.Core;
    documentViewer.addEventListener('documentLoaded', () => {
      // perform document operations
    });
  });