GroupDocs.Viewer for Java is a Document Viewer API for Java developers. It supports over 170 document types from popular categories such as Microsoft Office, OpenOffice, AutoCAD, Photoshop, Visio, images, metafiles, programming, archives, messages, PDF & more.

View PDF, DOC, PPT, ODT, OTT, ODP among many other documents in HTML5, PDF or image modes with fast and high quality rendering. You may also choose your own rendering strategy by processing the document page-by-page, entire document at once or a custom page range. API also provides the ability to customize document appearance via additional rendering options to add watermarks, rotate or reorder pages, extract document text and much more!

• Display document content in any web-browser.
• View document pages separately.
• Rotate, reorder pages or add watermarks.
• Customizable resource management options for CSS, fonts & images.
• Render all pages of a document as a single PDF.
• Boost document loading speed with configurable caching.
• Extract document text along with words' coordinates.
• Extract basic information about source documents such as file type, pages count and so on.
• Auto-detect document type.
• Replace missing font or use custom fonts for rendering.

GroupDocs.Viewer for Java requires J2SE 7.0 (1.7), J2SE 8.0 (1.8) or above. Please install Java first if you do not have it already.

GroupDocs hosts all Java APIs on GroupDocs Artifact Repository, so simply configure your Maven project to fetch the dependencies automatically.

Viewer viewer = new Viewer("sample.docx");
HtmlViewOptions viewOptions = HtmlViewOptions.forEmbeddedResources();
viewOptions.setRenderResponsive(true);
viewer.view(viewOptions);
viewer.close();

Viewer viewer = new Viewer("sample.docx");
Security security = new Security();
security.setDocumentOpenPassword("o123");
security.setPermissionsPassword("p123");
security.setPermissions(Permissions.ALLOW_ALL ^ Permissions.DENY_PRINTING);

PdfViewOptions viewOptions = new PdfViewOptions(filePath);
viewOptions.setSecurity(security);

viewer.view(viewOptions);
viewer.close();

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