AsciiMark

by Djalma Jr. · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

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

Users

0 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#167K

#140K among extensions

Version

1.3.0

updated 11 May 2026

Users

monthly, 5 months

Latest, 17 Oct 2026: 15 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 17 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About AsciiMark

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  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