Markdown Viewer

A lightweight Windows Markdown viewer built with .NET 8 and WebView2. Drag-and-drop or open any .md file to see a rendered preview, with live reload on file changes. Includes a View Source mode with syntax highlighting using VS Code Light+ colors and a line-number gutter.

Features

• Rendered Markdown preview via WebView2
• Live reload when the file changes on disk
• View Source mode with syntax highlighting (VS Code Light+ colors)
• Line-number gutter in source view
• Drag-and-drop file support
• .md file association (optional, via installer)

Requirements

• Windows 10 or later
• .NET 8 Runtime (if running without the installer)
• WebView2 Runtime (included with Windows 11 and Edge)

Installation

Download MarkdownViewerSetup.exe from the latest release and run it.

Building from source

Requires .NET 8 SDK. Optionally Inno Setup 6 to build the installer.

build.bat

The app is published to dist\MarkdownViewer\ and the installer (if Inno Setup is found) to dist\MarkdownViewerSetup.exe.

License

MIT — see LICENSE.