Extensible grip clone with live preview, syntax highlighting, math rendering, and diagram support.

• Live Preview: GitHub-flavored markdown with auto-reload on file changes
• Syntax Highlighting: Prism.js support for code blocks (enabled by default)
• Math Rendering: KaTeX support for LaTeX equations (enabled by default)
• D2 Diagrams: Inline SVG rendering from D2 code blocks (enabled by default, requires d2)
• Mermaid Diagrams: Automatic rendering of Mermaid code blocks (always enabled)
• Multiple Instances: Automatic port detection (ports 10009-10018) allows running multiple previews
• Browser Integration: Automatically opens browser on startup
• Static Files: Images and assets served relative to markdown file location

cargo install wool

USAGE: wool [FLAGS] <infile> [outfile] FLAGS: -e, --export Export html -h, --help Prints help information -b, --no-browser Don't open browser (browser opens by default) --no-d2 Disable D2 diagram rendering (enabled by default) --no-highlight Disable syntax highlighting (enabled by default) --no-katex Disable KaTeX math rendering (enabled by default) -n, --no-preview-frame Don't render the preview frame -V, --version Prints version information ARGS: <infile> Sets the input file to use <outfile> Sets the output file to use 

Opens browser automatically with all features enabled (syntax highlighting, KaTeX, D2, Mermaid):

wool readme.md

wool readme.md --no-browser

wool readme.md --export mypreview.html

# Disable KaTeX math rendering wool readme.md --no-katex # Disable syntax highlighting wool readme.md --no-highlight # Disable D2 diagrams wool readme.md --no-d2 # Disable multiple features wool readme.md --no-katex --no-d2

Create diagrams using D2 syntax in code blocks:

```d2 x -> y: hello world ```

Create diagrams using Mermaid syntax in code blocks:

```mermaid graph TD  A[Start] --> B[End] ```