PDF.js Express Plusplay_arrow

Professional PDF.js Viewing & Annotations - Try for free

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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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UI & toolbar customization sample

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 UI
Shows how to customize the UI using PDF.js Express Web Viewer APIs. Includes modifying header, enabling/disabling features and hiding/showing individual elements.

JS source codeLaunch demo

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

JS source codeLaunch demo

Internationalization
Shows how to switch language.

JS source codeLaunch demo