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Syncfusion Essential PDF is a Xamarin PDF library that allows you to combine or merge different PDF files into one file and split a PDF file into different sub-documents quickly and accurately. Merge and split PDF functionalities can be used in any .NET application, whether it is Windows Forms, WPF, ASP.NET (web forms, MVC, Core) or even UWP, Xamarin.Android, and Xamarin.iOS. It will help you split, combine, import, and append PDFs with just a few lines of code using C#.

Split PDF

Developers can easily and accurately disassemble a multi-page PDF document into two or more separate PDF files by pages. It is also possible to generate files with destination file name pattern. Besides this process, developers can also import or delete certain pages from the existing PDF file.

  • Split PDF files by individual pages, page ranges. files by file size, and bookmarks.
  • Password-protect a split PDF.

Split PDF

Merge PDF

Merge PDF

The Syncfusion Xamarin PDF library combines or merges different PDF files or pages to form a single document. It preserves the exact layout, form fields, annotations, bookmarks and appearance of the source files. Besides this process, developers can also create a new PDF with certain pages from the existing document and also combine group of PDF files from specific directory or folder.

  • Combine multiple PDF files from disk and stream.
  • Import or insert pages from one PDF file to another.
  • Specify a range of pages to be merged from separate PDF documents.
  • Password-protect the combined PDF.

Other features of PDF split and merge

  • Rotate PDF pages and merge.
  • Convert landscape to portrait and merge.
  • Crop PDF page and combine.
  • Merge and fill form fields.
  • Create bookmarks based on the combined document.
  • Combine and digitally sign the PDF.


File Formats
Developer Platform
Unlimited Global License

Developer Platform

Essential Studio

$ 2,495

Per developer 1st year

Includes 1,700+ Controls

Unlimited Global License

Cover everyone in your organization for one low annual fee


File Formats

$ 995

Per developer 1st year

  • 80+ Components each for JavaScript, Angular, jQuery, React, and Vue.
  • 75+ ASP.NET Web Forms Controls
  • 80+ Blazor Components
  • 80+ ASP.NET MVC Controls
  • 80+ ASP.NET Core Controls
  • File Formats (Word, Excel, PowerPoint, and PDF) Tool tip information icon
  • Report Viewer SDK
  • 35+ WinUI Controls
  • 35+ .NET MAUI Controls
  • 155+ Xamarin Controls *Includes iOS, Android, and UWP
  • 100+ WinForms Controls
  • 100+ WPF Controls
  • 70+ UWP Controls
  • 60+ PHP Controls
  • 60+ JSP Controls
  • Flutter Widgets
  • Predictive Analytics
  • Dedicated Account Representative
  • Quarterly product releases
  • Support within 24 hours on all business days
  • Live chat support on all business days
  • Licensing Management Portal
  • Commercial Use
  • Max Developer count
  • 1 per license
  • Coverage Period
  • 1 year
File Formats
Developer Platform
Unlimited Global License



Syncfusion’s file format components helped me create the reports I needed, fast. – J. Pereira, Software Developer.

The libraries have been built from scratch and refined for more than a decade to provide blazing-fast performance, comprehensive API, and compatibility across the latest and older versions of these files.

CONTINUE READING View all Customer Stories


Syncfusion File Format Libraries - Manipulate Excel, Word, PowerPoint, and PDF files

Read and write Excel, Word, PDF, and PowerPoint files. Also includes integrated visualization capabilities. Advanced features include support for pivot tables, pivot charts, mail-merge, and extensive formatting.


Succinctly Series: Statistics Using Excel Succinctly

Succinctly Series: Statistics Using Excel Succinctly

- by Charles Zaiontz


Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion is proud to hold the following industry awards.

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