Markdown Viewer

by tranhieu1304 · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Offline Markdown viewer with Mermaid, syntax highlight, TOC, dark mode & export.

Users

−3 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#86K

#72K among extensions

Version

1.2.1

updated 7 May 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 93 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 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 Markdown Viewer

Markdown Viewer renders .md and .markdown files directly in Chrome — no external services, no internet required. FEATURES - Renders GitHub-Flavored Markdown (GFM): headings, tables, task lists, strikethrough - Mermaid diagram support (flowcharts, sequence diagrams, ERDs) - Syntax highlighting for 190+ programming languages - Auto-generated Table of Contents sidebar - Dark / Light mode with persistent preference - Export to HTML or PDF (via print) - Full-width layout optimized for technical documents - Beautiful typography: Inter (English) + Noto Sans JP (日本語) SUPPORTED SOURCES - Local files (file://) — drag & drop .md files into Chrome - Remote URLs — GitHub Raw, GitLab, Bitbucket Server/Cloud - Auto-converts browse URLs to raw content (GitHub blob, Bitbucket browse, GitLab blob) - Works on corporate intranet and air-gapped environments HOW TO USE 1. Open any .md or .markdown file in Chrome — it renders automatically 2. Or click the extension icon on any page to open it in the viewer 3. Use the toolbar to toggle dark mode, export HTML, export PDF, or reload PERMISSIONS USED - webNavigation, tabs: to detect and redirect .md file navigation - storage: to save your dark/light mode preference - host_permissions (file://, http://, https://): to fetch and render markdown content from any source No data is collected. No external tracking. Fully offline after install. Built for engineers and technical teams working with Japanese and English documentation.