C# .NET API for PDF Files Creation & Conversion

Getting Started with Aspose.PDF for .NET

The recommend way to install Aspose.PDF for .NET is using NuGet. Please use the following command for a smooth installation.

 Install-Package Aspose.Pdf

Generate PDF Documents via .NET API

One of the key features of Aspose.PDF for .NET is its ability to create PDF documents from scratch with just a couple of lines of C# code. Software developers can use the library to add text, images, forms, annotations, new pages, attachments, bookmarks, and other elements to a PDF document, as well as control the layout and formatting of the content. Additionally, the library provides a rich set of APIs for manipulating existing PDF documents, such as merging multiple PDFs into a single document, splitting a PDF into multiple pages, and extracting text and images from a PDF.

    // Initialize document object
    Document pdf_doc = new Document();

    // Add page
    Page page = pdf_doc.Pages.Add();

    // Place the text of choice
    page.Paragraphs.Add(new Aspose.Pdf.Text.TextFragment("Text of choice"));

    // PDF file created at a specified location
    pdf_doc.Save("created_one.pdf");

Convert PDF to Other File Formats via C# API

Converting PDF documents to other file formats is one of the most popular and important tasks for many software developers. Aspose.PDF for .NET makes their job easy by providing complete functionality for programmatically converting PDF documents to other supported file formats with just a few lines of .NET code. The library supports a wide range of output formats, including Microsoft Word, Excel, PowerPoint, images, HTML, and many more. It is also possible to save a PDF document to file, stream, send to Web or save as PDF/A document. The library makes it easy for software developers to work with PDF documents in other applications and platforms.

public static void ConvertPDFtoDOCX()
{
// load PDF with an instance of Document                        
var document = new Document("template.pdf");

// save document in DOC format
document.Save("output.doc", Aspose.Pdf.SaveFormat.DocX);
}

Merge or Split PDF Documents via C# .NET

Aspose.PDF for .NET library enables software developers to merge multiple PDF files into a single PDF document or split large PDF files into smaller ones inside their own .NET applications. The library has provided various functions for merging and splitting PDF files, such as adding one document to the end of another PDF file, splitting PDF pages into individual PDF files, splitting the range of PDF pages into individual PDF file, and so on.

 
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir_AsposePdf_Pages();

// Open document
Document pdfDocument = new Document(dataDir + "SplitToPages.pdf");

int pageCount = 1;

// Loop through all the pages
foreach (Page pdfPage in pdfDocument.Pages)
{
    Document newDocument = new Document();
    newDocument.Pages.Add(pdfPage);
    newDocument.Save(dataDir + "page_" + pageCount + "_out" + ".pdf");
    pageCount++;
}

Images Conversion to PDF via .NET API

Aspose.PDF for .NET library has provided complete support for various images conversion to PDF using C# commands. Software developers can convert some of the most popular image formats, such as - BMP, CGM, DICOM, EMF, JPG, PNG, SVG, and TIFF formats with ease. To convert an image first you need to Initialize a new document class object and load the image. After that just call save and convert to image format and save it in the PDF file format. In some cases, the library also supports setting the height, width, and margins of a page as well as the image.

 
// Load input JPG file
String path = dataDir + "Aspose.jpg";

// Initialize new PDF document
Document doc = new Document();

// Add empty page in empty document
Page page = doc.Pages.Add();
Aspose.Pdf.Image image = new Aspose.Pdf.Image();
image.File = (path);

// Add image on a page
page.Paragraphs.Add(image);

// Save output PDF file
doc.Save(dataDir + "ImagetoPDF.pdf");