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

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Total downloads 20,389,208 Licensing

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 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");

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");

Imports IronPdf

' Convert an HTML string to PDF in VB
Dim renderer As New ChromePdfRenderer()
Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("<h1>Hello World</h1>")
pdf.SaveAs("output.pdf")

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

PM >

Install-Package IronPdf

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Copy the NuGet
command above - ready
in about 5 minutes.

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Test in production without watermarks and 30 days fully
functional product. 24/5 technical support during trial

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See your PDF workflow
running in a live
production project.

See what’s new:PDF Optional Content Groups

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.

Everything you need for HTML to PDF in C#

Create PDFs

Design Perfect PDFs

Full PDF Customization

Standards Compliance

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

PDF Viewing and Printing

Convert PDFs

Versatile PDF Conversion

Dynamic Web Page to PDFs

Web Accessibility

Tailored PDF Conversion

Refine PDF Layout

Edit PDFs

Edit PDF Objects

Edit Document Text

Enhance PDF Design

Organize PDFs

Edit PDF Structure

Supplementary Organization

Sign and Secure PDFs

Ensure Authenticity

PDF Form Management

Document Safety

Others

Support Web Assets

Performance and Compression

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
and one dependency covers generate, edit, merge, watermark, sign, and secure
No second package to add, no third licence to reconcile, no glue code between libraries that disagree.
Instant licence key, full API access, and a commercial licence with no copyleft strings attached.

Outcome: One library installed, every PDF task covered.

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.

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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.