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.

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

查看所有70代码示例

Install-Package IronPdf

下一步：开始免费试用

功能齐全，无水印

30 天试用期 - 无需信用卡

下一步：开始免费试用

功能齐全，无水印

30 天试用期 - 无需信用卡

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

No credit card required

Go Live

See your PDF workflow
running in a live
production project.

PM > Install-Package IronPdf

IronPDF

See what’s new:

Reduced memory growth by ~97%

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 版本：

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

操作系统及处理器：

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

.NET 项目类型：

Web (Blazor 和 WebForms)
桌面 (WPF 和 MAUI)
控制台 (应用程序及库)

应用程序环境：

Windows (10+，服务器 UI 2012+，服务器 Core 2022)
Linux (Ubuntu, Debian, CentOS, 等)
Mac (macOS 10+)
Docker (Windows, Linux, Azure)
Azure (VPS, WebApp, Function)
AWS (EC2, Lambda)

IDE：

Microsoft Visual Studio
JetBrains Rider & ReSharper

二进制认证

DigiCert 签名的二进制文件

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.

立即获取您的免费30 天试用密钥。

您的试用密钥应在电子邮件中。
如果没有，请联系我们
support@ironsoftware.com

查看完整功能集

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

40%节省

过去我们可能需要使用一个插件或一个包来处理OCR，再使用另一个来处理PDF，而现在它们都集成到一个低成本包中，对我们来说真的非常棒。

David Jones 首席软件工程师阅读案例研究

Bg Chart Green related to Create PDFs in C# —
Without the Free-Tool Tax 节省20%

Green2View实现了20%的节省、30%更快的文件周转速度，完全合规。

阅读案例研究

Bg Chart Blue related to Create PDFs in C# —
Without the Free-Tool Tax 减少行政工作40%

它就是这么工作——自动PDF生成每次都能提供完美无缺的财务报告。

阅读案例研究

深受全球数百万工程师的信赖

每次开发人员询问时，Iron都说是的！ 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";
}