The C# PDF Library

IronPDF is the leading C# PDF library for generating and editing PDFs. Its user-friendly API allows developers to rapidly deliver professional, high-quality PDFs from HTML in .NET projects.

Convert HTML to PDF in .NET 8, 7, 6, Core, & Framework
Generate PDFs in C# using HTML, MVC, ASPX, & Images
Sign, Edit, and Read PDFs with 50+ Features
Install & Deploy in minutes with NuGet
REQUEST QUOTE
CONTACT US

HTML to PDF

  
using IronPdf;
var renderer = new ChromePdfRenderer();
var pdfFromUrl = renderer.RenderUrlAsPdf("https://ironpdf.com/");
pdfFromUrl.SaveAs("website.pdf");
var pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf("design.html");
pdfFromHtmlFile.SaveAs("markup.pdf");
var pdfFromHtmlString = renderer.RenderHtmlAsPdf("
Hello World
", "C:/assets/");
pdfFromHtmlString.SaveAs("markup_with_assets.pdf");
Explore All 45 Code Examples

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

When you need your PDF to look like HTML, fast.

Pixel-perfect rendering

What you see in the browser is what you will get in the PDF.

Cross-platform

Works on almost all platforms

Up & running in 5 mins

From the first download to working in production, in literally 5 minutes.

Key Compatibility

.NET Versions:

  • C#, VB.NET, F# Languages
  • .NET Core (8, 7, 6, 5, and 3.1+)
  • .NET Standard (2.0+)
  • .NET Framework (4.6.2+)

.NET Project Types:

  • Web (Blazor & WebForms)
  • Desktop (WPF & MAUI)
  • Console (App & Library)

App Environments:

  • Windows (10+, Server UI 2012+, Server Core 2022)
  • Linux (Ubuntu, Debian, CentOS, etc.)
  • Mac (macOS 10+)
  • Docker (Windows, Linux, Azure)
  • Azure (VPS, WebApp, Function)
  • AWS (EC2, Lambda)

IDEs:

  • Microsoft Visual Studio
  • JetBrains Rider & ReSharper

OS & Processors:

  • Windows, Mac, Linux
  • x64, x86, ARM
  • Binary Certification
  • DigiCert Signed Binaries

Generating PDFs

HTML to PDF:

  • HTML File to PDF
  • HTML String to PDF
  • URL to PDF

Content Pages to PDF:

  • Razor to PDF (Blazor Server)
  • CSHTML to PDF (MVC, Razor)
  • ASPX to PDF (WebForms)
  • XAML to PDF (MAUI)

PDF File Conversion:

  • Images to / from PDF
  • DOCX to PDF (Microsoft Word)
  • RTF to PDF (Rich Text Format)
  • MD to PDF (Markdown)
  • PDF to HTML

Supports:

  • UTF-8 Character Encoding
  • Base URLs & Asset Encoding
  • TLS Website & System Logins
  • Async & Multithreading
  • Custom Logging
  • Cookies

Formatting PDFs

Use HTML Assets:

  • HTML (5 and below)
  • CSS (Screen & Print)
  • Images (jpg, png, gif, tiff, svg, bmp)
  • JavaScript (Custom Render Delays)
  • Fonts (Web & Icon)

Apply Page Templates:

  • Add Headers & Footers
  • Add Page Numbers
  • Add Page Breaks
  • Fit to Paper & Zoom
  • Custom Margins

Apply Page Settings:

  • Responsive Layouts
  • Custom Paper Size
  • Orientation & Rotation
  • Color

Supports PDF Standards:

  • PDF Versions (1.2 – 1.7)
  • PDF/UA (PDF/UA-1)
  • PDF/A (PDF/A-3b)

Editing
PDFs

Set Properties & Security:

  • Set Password & Permissions
  • Digital Signatures (.pfx, .p12)
  • PDF File Compression
  • Edit PDF Metadata
  • Edit & Sign Revision History

Edit Document Structure:

  • Add, Copy, & Delete Pages
  • Merge & Split PDFs
  • Annotations
  • Attachments
  • Bookmarks and Outline

Edit Page Content:

  • Draw Text & Bitmap
  • Find and Replace Text
  • Headers & Footers
  • Stamp Text & Images
  • Custom Watermarks
  • Backgrounds & Foregrounds

Use PDF Forms:

  • Create & Edit Forms
  • Fill Existing Forms

View, Read, & Print PDFs:

  • IronPDF Viewer
  • Print to a Physical Printer
  • Extract PDF Text & Images