WebViewer is a JavaScript-based PDF SDK for building document functionality in web apps.

SDK Features

Industry

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PDF & Office Viewer

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MS Office support
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Mobile support
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Large files
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A demo of large files support in WebViewer, a JavaScript-based PDF SDK for web apps. See all 30+ supported formats (PDF, text, image, and more).

Try these sample large files:

Large Document (2GB)
13,234 pages (30MB)
3,201 pages (18MB)
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Watermarks
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Layer (OCG) separation
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Color separation