AsciiMark
A viewer for AsciiDoc and Markdown files. Renders documents as formatted HTML directly in your browser — no server required.
Features
Dual Format Support
Renders both AsciiDoc and Markdown files with full syntax support, including tables, admonitions, cross-references, and 14 markdown-it plugins.
Folder Browser
Open entire folders and browse your documentation via a file tree sidebar. Supports drag-and-drop for quick access to files and directories.
Inline Editor
Edit your documents in a split-view editor powered by CodeMirror. Save changes directly to disk with the File System Access API.
Diagrams & Math
Mermaid and Kroki diagrams render inline. KaTeX handles math expressions. No external services needed for Mermaid or KaTeX.
Dark & Light Themes
Choose between dark, light, or system-matched themes. Customize code syntax highlighting, font size, and font family.
Search & Navigation
Filter files in the tree, search within document previews, navigate via table of contents, and follow cross-reference links.
Download
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Also available as a Chrome Extension from the Chrome Web Store.
For detailed instructions, see the User Guide.