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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Measurement

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PDF.js Express REST API

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APIs for customizing UI

Disable features
Disable certain features of the UI such as item caching or annotation tools.

Hide elements
Hide certain parts of the UI, such as annotation tools or the download button.

Change the theme
Change the apperance of the UI.

PDF.js Express Web Viewer
PDF.js Express is a commercial PDF web viewer that wraps around the PDF.js open-source rendering engine.