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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Searching

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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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Samples for PDF forms

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

Customize form fields
Shows how to change color and opacity of form fields.

JS source codeLaunch demo