Spire.PDF for .NET is a professional PDF API applied to creating, writing, editing, handling and reading PDF files without any external dependencies within .NET (C#, VB.NET, ASP.NET, .NET Core, .NET 5.0, .NET 6.0, .NET 7.0, MonoAndroid and Xamarin.iOS) application. Using this .NET PDF library, you can implement rich capabilities to create PDF files from scratch or process existing PDF documents entirely through C#/VB.NET without installing Adobe Acrobat.

Many rich features can be supported by the .NET PDF API, such as adding digital signature, including timestamp in signature, adding dynamic/image stamp, adding text/image watermark, creating PDF Portfolio, extracting text/attachment/images, PDF merging/spliting, metadata updating, section, graph/image drawing and inserting, table creation and processing, cropping pages, copying pages, and importing data etc.

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