Edit documents in C#

Advanced Word, PDF Editor for C#. Use it to modify documents programmatically

Develop cross-platform code for .NET and .NET Core platforms. This is a comprehensive solution to modify documents and images in C#, F#, VB.NET.

Edit Documents in C#

This C# library provides developers with a powerful API to edit Word, PDF documents programmatically. Easily integrate document modification features into your software. Our solution supports the editing of PDF, DOCX, DOC, RTF, ODT, EPUB, HTML and many other file formats in C#.

Change PDF, Word in C#

The task of editing a document programmatically in C# is the task of modifying elements in the document tree. It is also known as the 'DOM' - the programming model for interacting with document elements and their properties.

Editing features for complex data structures are inseparable from the advanced search function. To ensure the highest level of flexibility, our library provides C# developers with Regex search functionality. This approach expands the possibilities to edit text, allowing the use of templates for dynamic content modification.

Edit text in documents using C#

Programmatic modification of Word and PDF documents is an integral part of digital workflow. Edit text in PDF, Word, modify tables, insert graphs using external data.

C# library is a stand-alone solution to edit documents which doesn't need Microsoft Word or Acrobat Reader installed. It is ready for industrial use and provides the full range of operations to modify Word, PDF and other file formats:

  • Insert new document elements
  • Update existing elements: paragraphs, lists, tables, images, links, fields, charts, etc.
  • Apply and modify styles, which are collections of formatting attributes
  • Search for specific text patterns and replace them with new text
  • Export the result to the Word, PDF and many other file formats using 'Document.Save' method
  • Delete unnecessary elements (cut chapters, sections, pages, paragraphs)

Edit table using C#

One of the most requested features is dynamic table generation and table modification in Word and PDF documents. Working with tables is easy with C# library: edit tables, update tables and extract table text in C# code.

The following example shows how to change a Word document in C# code:

C# example to edit a document
Input file
Upload a document you want to modify
Run code
Output format
Select the target format from the list
using Aspose.Words;

var doc = new Document("Input.docx");
var builder = new DocumentBuilder(doc);

// Insert text at the beginning of the document.
builder.MoveToDocumentStart();
builder.Write("Morbi enim nunc faucibus a.");

doc.Save("Output.docx");
using Aspose.Words;

var doc = new Document("Input.docx");
var builder = new DocumentBuilder(doc);

// Insert table at the beginning of the document.
builder.MoveToDocumentStart();
builder.StartTable();
builder.InsertCell();
builder.Write("Row 1, cell 1.");
builder.InsertCell();
builder.Write("Row 1, cell 2.");
builder.EndTable();

doc.Save("Output.docx");
using Aspose.Words;

var doc = new Document("Input.docx");
var builder = new DocumentBuilder(doc);

// Insert image at the beginning of the document.
builder.MoveToDocumentStart();
builder.InsertImage("Image.png");

doc.Save("Output.docx");
Run code

How to edit Word, PDF and other file formats

  1. Install Document Editor for C#.
  2. Add a library reference (import the library) to your C# project.
  3. Open a document in C#.
  4. Insert content at the beginning of the document.
  5. Call the 'Save()' method, passing the name of the output file with the required extension.
  6. Get the edited result.

C# library to work with files

There are three alternative options to install "Aspose.Words for .NET" onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following '.NET Standard 2.0' specification:

  • Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest '.NET Framework 4.8'
  • .NET Core, starting from the earliest 2.0, and ending with the latest '.NET 6'
  • Mono >= 2.6.7

As far as .NET code doesn't depend on the underlying hardware or operating system, but only on a Virtual Machine, you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop integrated development environments to create C#, F#, VB.NET applications.

Fore more details please refer to Product Documentation.

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