Important
This plug-in requires Windows version 10.0.16299 or later.
You can confirm the WebView2 runtime is installed on your PC by locating the path %ProgramFiles(x86)%\Microsoft\EdgeWebView\Application.
"Preview HTML" is a plug-in for Notepad++ which allows previewing a HTML page inside Notepad++ while editing it.
It is written in Object Pascal and can be built using Delphi or Lazarus.
Issues can be reported on GitHub at https://github.com/rdipardo/npp_preview/issues.