AsciiMark

Preview AsciiDoc and Markdown files with diagrams, math, TOC, search, and auto-refresh

AsciiMark renders AsciiDoc and Markdown files directly in your browser with a clean, modern interface. **Features:** - Automatic rendering of .adoc and .md files (file:// and https://) - Syntax highlighting for 40+ languages (highlight.js) - Mermaid diagram rendering (flowcharts, sequence, gantt, etc.) - Math/LaTeX formulas (KaTeX) - GitHub-style alerts (NOTE, WARNING, TIP, CAUTION, IMPORTANT) - Table of Contents with scroll tracking - Dark mode with persistent theme - Auto-refresh on file changes - PDF export via print - Folder mode with file tree navigation (File System Access API) - AsciiDoc include:: directive support with nested resolution - Markdown includes via <!-- include: path --> syntax **Markdown extensions:** - Footnotes, emoji shortcodes, definition lists - Subscript, superscript, inserted text, highlighted text - Advanced tables (colspan, rowspan) - Custom containers (::: warning, ::: details) - Abbreviations with tooltips - Task list checkboxes **How to use:** 1. Open any .adoc or .md file in Chrome — it renders automatically 2. Click the extension icon to open the folder viewer 3. Grant file access in chrome://extensions for local files