HTML to PDF in C#
Pixel-Perfect Rendering for .NET

Convert HTML, CSS, and JavaScript to PDF using a Chromium-grade engine. Three lines of C# code. Works on .NET 10, 9, 8, Framework, Core, and Standard

Render HTML, CSS3, and JS to PDF with browser-grade accuracy

One method call: RenderHtmlAsPdf(), RenderUrlAsPdf(), RenderHtmlFileAsPdf()

Works on Windows, Linux, macOS, Docker, Azure, and AWS

Free 30-day trial, no watermarks, no credit card

HTML to PDF in C# Online Demo See All 70 Code Examples

using IronPdf;

// Convert an HTML string to PDF in C#
var renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>");
pdf.SaveAs("output.pdf");

// Also supported:
// renderer.RenderUrlAsPdf("https://example.com");
// renderer.RenderHtmlFileAsPdf("design.html");

Install-Package IronPdf

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

PM > Install-Package IronPdf

IronPDF

See what’s new:

Reduced memory growth by ~97%

Cross Platform Support

HTML to PDF conversion works the same on every supported platform.

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework
Available for .NET, Java, Node.js, and Python.

.NET Versions:

C#, VB.NET, F# Languages
.NET Core (10, 9, 8, 7, 6, 5, and 3.1+)
.NET Standard (2.0+)
.NET Framework (4.6.2+)

OS & Processors:

Windows (x64, x86)
Mac (x64, ARM)
Linux (x64)

.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

Binary Certification

DigiCert Signed Binaries

The fastest way to convert HTML to PDF in C#

IronPDF gives C# and VB.NET developers a Chromium rendering engine wrapped in a clean .NET API. HTML, CSS, JavaScript, web fonts, SVG, and complex layouts all render the same way they do in a real browser. No headless Chrome process to manage, no wkhtmltopdf quirks, no missing fonts.

Get your free 30-day Trial Key instantly.

Your trial key should be in the email.
If it is not, please contact
support@ironsoftware.com

Everything you need for HTML to PDF in C#

View Full Features Set

Why IronPDF?

Built for developers who need HTML to PDF conversion that actually matches the browser.

Pixel-perfect rendering

Chromium-grade HTML/CSS/JS ➝ what you see in the browser is what’s in the PDF.
Fonts, SVGs, image, complex layouts - consistent across environment.
Handles header/footers, page number, margins, and pagination edge cases.

Outcome: Ship PDFs that match designs, not “close enough”.

Up & running in 5 mins

PM >
Install-Package IronPdf

, then three lines of C# converts your first HTML page to PDF
No setup, no Chrome binary to install, no Linux font wrangling.
Full API access with an instant license key.

Outcome: Less duct-taped code. Faster delivery.

Cross-platform

.NET 10, 9, 8 LTS, Framework 4.62+
OS: Windows, Linux, macOS.
Cloud/containers: Azure, AWS, Docker/Kubernetes, serverless.

Outcome: Works with your stack today and when you scale.

Great documentation

Copy-paste your first PDF
Task-based examples for HTML ➝ PDF, merge/split, stamping, forms, signing.
Troubleshooting for fonts, page breaks, headless/ cloud deploys.

Open Quickstart Docs

Perpetual license & 24/5 support

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:
- merge/split
- TOC/bookmarks
- headers/footers/margins
- watermarks/stamps
- forms (fill/extract)
- attachments
- images
- permissions
- compressing
- digital signing
Works everywhere: Windows, Linux, macOS, Docker, Azure, AWS, cloud.

(30 days, fully-functional product)

For buyers

Trusted by 2M+ engineers • 14M+ NuGet installs.
Teams report 40% dev-time saved vs DIY/OSS wrappers.
Redistribution/SaaS options available.
Procurement-friendly: perpetual license, optional renewals, invoice available, multiple payment options (including local).
30-day money-back guarantee.

See Licensing

What our Customers say about IronPDF?

40%SAVING

Where in the past we might have to go out and use one plug-in or one package for OCR, and another one for PDF, having them all integrated into one low-cost package was really great for us.

David Jones Lead Software Engineer Read the case study

Bg Chart Green related to What our Customers say about IronPDF? SAVING20%

Green2view achieved 20% savings, 30% faster document turnaround, and 100% compliance.

Read the case study

Bg Chart Blue related to What our Customers say about IronPDF? LESS ADMIN WORK40%

It just works—automated PDF generation delivers pixel-perfect financial reports every time.

Read the case study

Trusted by millions of engineers worldwide

Every time developers ask, it's a YES! from IronPDF

switch(faqQuestions)
{ 
    case "Can I deploy my application using the library to Linux, macOS, or Windows, including Docker containers?": return "YES";
    case "Can I render pixel-perfect PDFs from complex HTML5, CSS3, and JavaScript?": return "YES";
    case "Is the library thread-safe for use in highly concurrent, multi-threaded server applications and APIs?": return "YES";
    case "Can I set custom viewport dimensions and print media CSS to control responsive layouts?": return "YES";
    case "Is IronPDF compatible with Azure Functions?": return "YES";
    case "Can I permanently redact sensitive text and images from PDF documents?": return "YES";
    case "Can I generate a PDF from a URL that requires authentication via custom headers, cookies, or form logins?": return "YES";
    case "Can I access PDF DOM through ObjectModel property?": return "YES";
    case "Can I programmatically fill, read, and flatten interactive AcroForm?": return "YES";
    case "Does it support generating PDF/A and PDF/UA compliant documents for archiving and accessibility standards?": return "YES";
    case "Can I secure a document with 256-bit AES password encryption and set user permissions?": return "YES";
    case "Can I apply and verify digital signatures on a PDF using X.509 certificates?": return "YES";
    case "Can I test IronPDF in my live project for free now?": return "YES, click here to start your 30-day free trial";
}