A full featured Markdown viewer with syntax highlighting, export enhancement for OneNote

• Powered by Markdig - A powerful markdown parser, recommended by Microsoft
• CommonMark and GitHub flavored Markdown
• Syntax highlighting support
  • 100+ languages supported
• Dark/Light color scheme and code highlight theme support
  • Theme auto detection (following OS theme setting)
  • Multiple code highlight themes
• Mermaid chart support
  • Process, sequence, Gantt diagram etc.
• Capturing picture in onenote page and display in Markdown viewer
• Preview Window Refresh (Press F5. 24/6/2022)
• Auto refresh Preview Window (24/6/2022)
  • Auto refresh Preview Window every 1 second by default
  • Set interval to a large number in Settings Window to disable auto refresh, let's say set interval to 999999999.

• Common mark
• Extended mark
• Diagram
  • Mermaid charts

• Export for Notebook/Section Group/Section/Page
• Single File and Hierarchical files options

Syntax highlighting

    ```csharp
    namespace Demo
    {
        public class MyDemo
        {
            public static void Main(string[] args)
            {
                Console.WriteLine("Hello World!");
            }
        }
    }
    ```

Markdown preview:

    namespace Demo
    {
        public class MyDemo
        {
            public static void Main(string[] args)
            {
                Console.WriteLine("Hello World!");
            }
        }
    }

Mermaid pie chart

    ```mermaid
    pie
      title Key elements in Product X
      "Calcium" : 40
      "Potassium" : 46
      "Magnesium" : 9
      "Iron" :  5

    ```

Markdown preview: <style>#mermaid-1642657277801 {font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;fill:#ccc;}#mermaid-1642657277801 .error-icon{fill:#a44141;}#mermaid-1642657277801 .error-text{fill:#ddd;stroke:#ddd;}#mermaid-1642657277801 .edge-thickness-normal{stroke-width:2px;}#mermaid-1642657277801 .edge-thickness-thick{stroke-width:3.5px;}#mermaid-1642657277801 .edge-pattern-solid{stroke-dasharray:0;}#mermaid-1642657277801 .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-1642657277801 .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-1642657277801 .marker{fill:lightgrey;stroke:lightgrey;}#mermaid-1642657277801 .marker.cross{stroke:lightgrey;}#mermaid-1642657277801 svg{font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:16px;}#mermaid-1642657277801 .pieCircle{stroke:black;stroke-width:2px;opacity:0.7;}#mermaid-1642657277801 .pieTitleText{text-anchor:middle;font-size:25px;fill:hsl(28.5714285714, 17.3553719008%, 86.2745098039%);font-family:"trebuchet ms",verdana,arial,sans-serif;}#mermaid-1642657277801 .slice{font-family:"trebuchet ms",verdana,arial,sans-serif;fill:#ccc;font-size:17px;}#mermaid-1642657277801 .legend text{fill:hsl(28.5714285714, 17.3553719008%, 86.2745098039%);font-family:"trebuchet ms",verdana,arial,sans-serif;font-size:17px;}#mermaid-1642657277801 :root{--mermaid-font-family:"trebuchet ms",verdana,arial,sans-serif;}</style>40%46%9%5%Key elements in Product XCalciumPotassiumMagnesiumIron

More mermaid chart examples

Apache 2.0