Create PDFs in C# —
Without the Free-Tool Tax

Design your document in HTML and CSS, render it with a Chromium engine, ship it in three lines of C#. No fluent-API layout code to hand-write, no AGPL obligations, no unmaintained WebKit forks. Works on .NET 10, 9, 8, Framework, Core, and Standard.

Free NuGet Download

Total downloads 20,389,208 Licensing

Create PDFs from HTML, CSS3, and JavaScript — not from 400 lines of layout code
One method call: RenderHtmlAsPdf(), RenderUrlAsPdf(), RenderHtmlFileAsPdf()
A commercial licence with no copyleft strings and 24/5 engineer support
Free 30-day trial, no watermarks, no credit card

Create PDF in C#

Online Demo See All Code Examples

using IronPdf;

// Create a PDF in C# - your HTML is the layout engine
var renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf(
    "Invoice #1042...");
pdf.SaveAs("invoice.pdf");

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

using IronPdf;

// Create a PDF in C# - your HTML is the layout engine
var renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlAsPdf(
    "Invoice #1042...");
pdf.SaveAs("invoice.pdf");

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

Imports IronPdf

' Create a PDF in VB - your HTML is the layout engine
Dim renderer = New ChromePdfRenderer()
Dim pdf As PdfDocument = renderer.RenderHtmlAsPdf("Invoice #1042...")
pdf.SaveAs("invoice.pdf")

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

PM >

Install-Package IronPdf

NEWInstallStart Free TrialGo Live

Install

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

Start Free Trial

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

Get 30-Day Trial KeyNo credit card required

Go Live

See your PDF workflow
running in a live
production project.

See what’s new:PDF Optional Content Groups

Cross Platform Support

Creating a PDF in C# behaves identically on every supported platform — the same rendering engine ships inside the package, so a Linux container produces the same bytes as a Windows dev box.

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

Free PDF libraries are cheap to install and expensive to keep

The free options each ask for something back. A fluent drawing API asks you to rebuild layout in C# and re-code it every time marketing moves a logo. A browser automation wrapper asks you to ship, patch, and memory-manage a Chromium binary in production. A copyleft licence asks you to open-source your application or negotiate a commercial deal anyway. An abandoned WebKit port asks you to explain to your team why flexbox does not render. IronPDF is a supported Chromium engine behind a clean .NET API, with a commercial licence and an engineer on the other end of the ticket.

Get your free 30-day Trial Key instantly.

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 teams who tried the free library first and are now costing out the rewrite.

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.

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 JonesLead Software EngineerRead the case study

Green2View savings chart SAVING20%

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

Read the case study

WILLAN savings chart 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

Can I create a PDF in C# from an HTML string in one line of code?YES!

Can I create PDFs from Razor, CSHTML, or ASPX views?YES!

Can I create invoices, reports, and statements with headers, footers, and page numbers?YES!

Do I need to install or ship a Chrome binary like I would with PuppeteerSharp?NO, the engine is embedded

Will IronPDF's licence force me to open-source my application, the way AGPL libraries do?NO

Can I create PDFs in Docker, Azure Functions, or AWS Lambda?YES!

Can I render pixel-perfect PDFs from complex HTML5, CSS3, and JavaScript?YES!

Can I convert an HTML string to PDF in one line of C# code?YES!

Can I convert a URL to PDF with authentication, cookies, and custom headers?YES!

Can I generate a PDF from Razor, CSHTML, or ASPX views?YES!

Can I add custom headers, footers, page numbers, and watermarks during conversion?YES!

Can I run HTML to PDF conversion in Docker, Azure Functions, or AWS Lambda?YES!

Can I deploy my application using the library to Linux, macOS, or Windows, including Docker containers?YES!

Is the library thread-safe for use in highly concurrent, multi-threaded server applications and APIs?YES!

Can I set custom viewport dimensions and print media CSS to control responsive layouts?YES!

Is IronPDF compatible with Azure Functions?YES!

Can I permanently redact sensitive text and images from PDF documents?YES!

Can I generate a PDF from a URL that requires authentication via custom headers, cookies, or form logins?YES!

Can I access PDF DOM through ObjectModel property?YES!

Can I programmatically fill, read, and flatten interactive AcroForm?YES!

Does it support generating PDF/A and PDF/UA compliant documents for archiving and accessibility standards?YES!

Can I secure a document with 256-bit AES password encryption and set user permissions?YES!

Can I apply and verify digital signatures on a PDF using X.509 certificates?YES!

Can I test IronPDF in my live project for free now?YES! Click here to start your 30-day free trial

World-Class Engineering,
24-Hour Support

Talk to an Expert

20 Million NuGet Installs and Only Accelerating

20M+2026

Nuget download historical chart over 12 million downloads in 2025

Ready to Get Started?

Nuget Downloads 20,389,208|Version:2026.8just released