ArthurHub/HTML-Renderer

Cross framework (WinForms/WPF/PDF/Metro/Mono/etc.), Multipurpose (UI Controls / Image generation / PDF generation / etc.), 100% managed (C#), High performance HTML Rendering library.

C#

1,401

126 commits

updated Sep 13, 2026

See the code

README

HTML Renderer

Cross framework (WinForms/WPF/PDF/Metro/Mono/etc.), Multipurpose (UI Controls / Image generation / PDF generation / etc.), 100% managed (C#), High performance HTML Rendering library.

The library is 100% managed C# code without any external dependencies (no WebBrowser control, ActiveX / COM or MSHTML dll), the only requirement is .NET Standard 2.0 / .NET 8.0 or higher.

Renderer.png

Issues & Documentation

For questions and issues, use the official GitHub repository.

For documentation, check out the project on the CodePlex Archive or the personal blog.

Download

The release packages on GitHub also contain a Demo application to explore HML Renderer's capabilities.

The latest NuGet packages can be found on NuGet.org:

Features and Benefits

  • Extensive HTML 4.01 and CSS level 2 specifications support.
  • Support separating CSS from HTML by loading stylesheet code separately.
  • Support text selection, copy-paste and context menu.
  • WinForms controls: HtmlPanel, HtmlLabel and HtmlToolTip.
  • WPF controls: HtmlPanel and HtmlLabel.
  • Works on Mono.
  • Create images/PDFs from HTML snippets.
  • Handles "real world" malformed HTML, it doesn't have to be XHTML.
  • 100% managed code and no external dependencies.
  • Lightweight, just two DLLs (~300K).
  • High performance and low memory footprint.
  • Extendable and configurable.
  • Powerful Demo application to explore and learn the library.

WinForms/WPF controls

  • HtmlPanel - The full power of HTML control build to replace WebBrowser control, accepts HTML, text selection, scrollbars, link click intercept, image load intercept and much more.
  • HtmlLabel - As WinForms label but accepts HTML, text selection, auto-size capabilities, transparent background and more.
  • HtmlToolTip - As WinForms ToolTip control but accepts HTML and ability to handle links (WinForms only).

Sample application's

  • Render HTML content generated by rich web editors like forums, blogs, etc.
  • Render Office documents converted to HTML.
  • Create WinForms UI that requires text selection with clipboard support.
  • Create images from HTML code snippets.
  • Create PDF document from HTML code snippets.

ArthurHub/HTML-Renderer

Cross framework (WinForms/WPF/PDF/Metro/Mono/etc.), Multipurpose (UI Controls / Image generation / PDF generation / etc.), 100% managed (C#), High performance HTML Rendering library.

C#

1,401

126 commits

updated Sep 13, 2026

See the code

README

HTML Renderer

Cross framework (WinForms/WPF/PDF/Metro/Mono/etc.), Multipurpose (UI Controls / Image generation / PDF generation / etc.), 100% managed (C#), High performance HTML Rendering library.

The library is 100% managed C# code without any external dependencies (no WebBrowser control, ActiveX / COM or MSHTML dll), the only requirement is .NET Standard 2.0 / .NET 8.0 or higher.

Renderer.png

Issues & Documentation

For questions and issues, use the official GitHub repository.

For documentation, check out the project on the CodePlex Archive or the personal blog.

Download

The release packages on GitHub also contain a Demo application to explore HML Renderer's capabilities.

The latest NuGet packages can be found on NuGet.org:

Features and Benefits

  • Extensive HTML 4.01 and CSS level 2 specifications support.
  • Support separating CSS from HTML by loading stylesheet code separately.
  • Support text selection, copy-paste and context menu.
  • WinForms controls: HtmlPanel, HtmlLabel and HtmlToolTip.
  • WPF controls: HtmlPanel and HtmlLabel.
  • Works on Mono.
  • Create images/PDFs from HTML snippets.
  • Handles "real world" malformed HTML, it doesn't have to be XHTML.
  • 100% managed code and no external dependencies.
  • Lightweight, just two DLLs (~300K).
  • High performance and low memory footprint.
  • Extendable and configurable.
  • Powerful Demo application to explore and learn the library.

WinForms/WPF controls

  • HtmlPanel - The full power of HTML control build to replace WebBrowser control, accepts HTML, text selection, scrollbars, link click intercept, image load intercept and much more.
  • HtmlLabel - As WinForms label but accepts HTML, text selection, auto-size capabilities, transparent background and more.
  • HtmlToolTip - As WinForms ToolTip control but accepts HTML and ability to handle links (WinForms only).

Sample application's

  • Render HTML content generated by rich web editors like forums, blogs, etc.
  • Render Office documents converted to HTML.
  • Create WinForms UI that requires text selection with clipboard support.
  • Create images from HTML code snippets.
  • Create PDF document from HTML code snippets.

Project health

Overall

5.5/10

Maintained

10/10

Code review

10/10
OpenSSF Scorecard

Significant stargazers

bloc97

679 followers · starred Jun 2021

Tim Fish

79 followers · starred Dec 2014

driver1998

103 followers · starred Jul 2025

vsrs

9 followers · starred Mar 2026