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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Searching

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Measurement

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PDF.js Express REST API

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Migration Guides

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Basic document operations for PDF.js Express

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 that has limited capabilities compared to PDF.js Express Pro

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PDF.js Express Plus

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PDF.js Express Plus is a paid product that supports annotating, signing, form filling and more

There are a few basic, commonly used operations when working with documents.

Get started

Opening a document with URL
To open a document using a URL

Opening a document using Blob
To open a document using a Blob

Opening a document with base64
To open a document using a base64 string

Opening a document from filesystem
To open a document from the filesystem using JS API