This topic describes how to use the GroupDocs.Viewer Node.js API to convert Microsoft Project files to HTML, PDF, PNG, and JPEG formats....Editor Product Solution GroupDocs...
This topic describes how to use the GroupDocs.Viewer API for Node.js to convert Excel workbooks and Apple Numbers spreadsheets to HTML, PDF, PNG, and JPEG formats....Editor Product Solution GroupDocs...
This topic describes how to use the GroupDocs.Viewer Java API to convert archive files to HTML, PDF, PNG, and JPEG formats....Editor Product Solution GroupDocs...
Detecting the version of a PDF document The following sample of code will help you to detect the PDF version a loaded document and extract some additional file format information.
Load a PDF document Extract the root metadata package Use the getPdfType method to obtain file format information advanced_usage.managing_metadata_for_specific_formats.document.pdf.PdfReadFileFormatProperties
try (Metadata metadata = new Metadata(Constants.InputPdf)) { PdfRootPackage root = metadata.getRootPackageGeneric(); System.out.println(root.getPdfType().getFileFormat()); System.out.println(root.getPdfType().getVersion()); System.out.println(root.getPdfType().getMimeType()); System.out.println(root.getPdfType().getExtension()); } Reading built-in metadata properties To access built-in metadata of a PDF document, please use the getDocumentProperties method defined in the DocumentRootPackage class....Editor Product Solution GroupDocs...
This article explains how to work with spreadsheet document attachments while using GroupDocs watermarking Java API...Editor Product Solution GroupDocs...
This article explains how to sign document with Text electronic signatures using extended options with GroupDocs.Signature API....Editor Product Solution GroupDocs...
This article explains how to detect the document's file type and calculate the number of pages when converting a file with GroupDocs.Conversion for .NET....Editor Product Solution GroupDocs...