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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 FileType property to obtain file format information AdvancedUsage.ManagingMetadataForSpecificFormats.Document.Pdf.PdfReadFileFormatProperties
using (Metadata metadata = new Metadata(Constants.InputPdf)) { var root = metadata.GetRootPackage<PdfRootPackage>(); Console.WriteLine(root.FileType.FileFormat); Console.WriteLine(root.FileType.Version); Console.WriteLine(root.FileType.MimeType); Console.WriteLine(root.FileType.Extension); } Reading built-in metadata properties To access built-in metadata of a Pdf document, please use the DocumentProperties property defined in the DocumentRootPackage class....Watermark Product Solution GroupDocs...metadata in PDF documents Working with metadata in PDF documents...
This article explains how to add password for Pdf document with permissions using GroupDocs.Merger for .NET....Watermark Product Solution GroupDocs...password to PDF with permissions Add password to PDF with permissions...
This article explains how to add attachment to Pdf document with GroupDocs.Merger within your Java applications....Watermark Product Solution GroupDocs...attachment to PDF document How to add attachment to PDF document Leave...
Convert Pdf files to HTML, PNG, or JPEG using the GroupDocs.Viewer Python API. Learn basic rendering techniques....Watermark Product Solution GroupDocs...rendering basics / Render PDF documents Render PDF documents as HTML...
This article explains how to protect a signed Pdf document....Watermark Product Solution GroupDocs...protect a signed PDF document How to protect a signed PDF document Leave...
This topic describes how to optimize Pdf file using the GroupDocs.Viewer .NET API (C#) for web browser or to reduce size....Watermark Product Solution GroupDocs...Render to PDF / Optimize the output PDF file / Optimize a PDF file...
This article explains how to search Watermarks while using GroupDocs. Watermarks API....Watermark Product Solution GroupDocs...GroupDocs.Watermark Product Family / GroupDocs.Watermark for .NET...
archives...15 April 10 📄 Digitally Sign PDFs with Azure Key Vault & GroupDocs...Alexander Hramov · 5 min Merge PDF in Node.js April 12, 2025 · Alexander...
Optimize Pdfs for faster browser display using GroupDocs.Viewer. Reduce load times and improve user experience....Watermark Product Solution GroupDocs...Render to PDF / Optimize the output PDF file / Optimize a PDF file...