The C# DOCX Library

Go beyond basic DOCX editing. Get programmatic DOCX generation for .NET 10 with full control over formats, editing, styling without Office Interop.

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Create DOCX files with tables, lists, images, and templates
Edit files programmatically: find, replace, extract content
Style with fonts, colors, gradients, shadows, etc.
Free 30-day trial, full features, no credit card

Add Text

See All Code Examples

using IronWord;
using IronWord.Models;

// Load docx
WordDocument doc = new WordDocument("document.docx");

// Add text
doc.AddText("Add text using IronWord");

// Export docx
doc.SaveAs("save_document.docx");

using IronWord;
using IronWord.Models;

// Load docx
WordDocument doc = new WordDocument("document.docx");

// Add text
doc.AddText("Add text using IronWord");

// Export docx
doc.SaveAs("save_document.docx");

Imports IronWord
Imports IronWord.Models

' Load docx
Dim doc As New WordDocument("document.docx")

' Add text
doc.AddText("Add text using IronWord")

' Export docx
doc.SaveAs("save_document.docx")

PM >Install-Package IronWord

Install-Package IronWord

See what’s new:Added Mail Merge support

Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework

A C# Word Library that prioritizes accuracy, ease of use, and speed.

IronWord is a C# Word DOCx library for generating and editing Word documents in .NET. Its user friendly API allows developers to add Word document processing functionality to .NET projects in minutes.

Get your free 30-day Trial Key instantly.

Compatibility

.NET Versions

C#, VB.NET, F# Languages
.NET Core
.NET Standard
.NET Framework

.NET Project Types

Web
Mobile
Desktop
Console

App Environments

Windows
Linux
iOS
Android
Docker
Azure
AWS

IDEs

Microsoft Visual Studio
JetBrains ReSharper & Rider

OS & Processors

Windows, macOS, Linux, iOS, Android
x64, x86, ARM

Binary Certification

DigiCert Signed Binaries

Document Structure

Read & Edit Word

Extract Text & Images

Edit Page Setup

Paper Size
Page Orientation
Custom Margins
Background Color

Add Paragraphs

Add & Remove TextRuns
Add Images
Add Shapes
Set Styling
Set Alignments
Add Bullets & Numbering Lists

Add Tables

Add Rows & Columns
Remove Rows & Columns
Set & Get Cell Values
Merge & Split Cells
Set Borders
Set Layout Dimensions

Document Elements

Add TextRuns

Text Content
Set Styling
Embed Images

Add Images

Load Image
Set Wrap Text
Set Dimensions
Set Position Offset
Set Distance from Corners

Add Shapes

Set Shape Type
Set Wrap Text
Set Dimensions
Set Position Offset
Set Rotation

Why IronWord

Create and edit .docx in C#. Deploy to Windows, Linux, macOS, Docker, iOS, and Android without Office Interop.

Full DOCX control

Create, load, and edit .docx files: paragraphs, TextRuns, tables, images, shapes, lists.
Page setup, margins, orientation, sections, headers, and styling at the run level.
Save to file, MemoryStream, or byte[] - no disk write required for HTTP delivery.

Outcome: One library covers every DOCX feature your app will need.

Up & running in 5 mins

PM > Install-Package IronWord
```
Install-Package IronWord
```
→ 5-minute quick starts.
Simple API: new WordDocument("file.docx"), doc.AddText(), doc.SaveAs().
Smart defaults: handles malformed documents gracefully, no Office Interop, no Word install.

Outcome: Ship Word generation this sprint, not next quarter.

Enterprise performance

.NET 10, Core, Standard, or Framework
C#, VB.NET, F# supported. DigiCert signed binaries. Thread-safe for concurrent server processing.
Deploys anywhere: Windows, Linux, macOS, iOS, Android, Docker, Azure, AWS.

Outcome: Scale from desktop tools to enterprise document processing.

Precise document structure

TextRun-level control: fonts, colors, bold, italic, strikethrough, superscript/subscript.
Tables with merge/split cells, custom borders, shading, and column widths.
Images and shapes with wrap text, dimensions, position offset, and rotation.

View Code Examples

Developer-first support & licensing

Perpetual license: buy once, use forever. Optional updates and renewals.
24/5 engineer support (24/7 in Premium). Real humans, median chat response <1 min.
30-day money-back guarantee. Not the right fit? Full refund, no questions.

Chat With an Engineer

For builders

Features you'll actually use:
- create/edit DOCX
- tables (merge, borders)
- images & shapes
- page setup (size, margins)
- sections & headers
- TextRun styling
- bullet & numbered lists
- find, replace, extract
- MemoryStream / byte[] output
- malformed-doc handling
Works everywhere: Windows, Linux, macOS, iOS, Android, Docker, Azure, AWS.

(30 days, fully-functional product)

For buyers

Trusted by thousands of engineers across the Iron Suite.
No Microsoft Office or Office Interop required.
Mobile-ready: Xamarin and MAUI support out of the box.
Procurement-friendly: perpetual license, optional renewals, invoice available, multiple payment options (incl. local: Amazon Pay, Alipay, Apple Pay, iDEAL, SEPA, ACH).
30-day money-back guarantee.

See Licensing