September 26, 2026
Markdown Viewer
A Chrome extension for rendering and previewing local and remote Markdown files directly in your browser.
Chrome
1 / 5Product facts
- Type
- Extension & Plugin
- Category
- Content & Writing › Summarization and Reading
- Pricing
- Free
- Platforms
- Chrome
- Launched
- Sep 26, 2026
- Listed
- Sep 26, 2026
- Website
- chromewebstore.google.com
Overview
Markdown Viewer is a free, open-source Chrome extension that renders and previews Markdown files directly in your browser. It supports loading both local and remote file URLs, with fine-grained access control for remote origins. The extension includes multiple built-in Markdown parsers, gives users full control over compiler options, and supports GitHub Flavored Markdown (GFM) syntax. Rendering capabilities include syntax highlighting for code blocks, MathJax math formulas, Mermaid diagrams, table of contents (ToC) generation, and emoji shortcode conversion. For interface and experience, Markdown Viewer offers dark mode, over 30 themes, and custom theme support. When file content changes, the extension automatically reloads the page and remembers your previous scroll position after refresh. It also supports Markdown Content-Type detection, configurable Markdown file path detection, settings sync, and toggling between raw text and rendered views. Regarding privacy and security, the developer states that the extension does not collect or use user data, sell data to third parties, or use it for purposes unrelated to core functionality or credit scoring. The source code is hosted on GitHub, making it ideal for developers and technical writers who frequently view Markdown documents in their browser.
Key features
- Local & Remote File Rendering: Render both local and remote Markdown file URLs directly in your browser.
- Multiple Parsers & GFM: Built-in Markdown parsers with support for GitHub Flavored Markdown syntax.
- 30+ Themes & Dark Mode: Over 30 themes, dark mode, and custom theme support.
- Auto-Reload on File Changes: Automatically re-renders when Markdown file content changes are detected.
- Code Syntax Highlighting: Syntax highlighting for code blocks within Markdown.
- Table of Contents (ToC): Automatically generates a table of contents based on document headings.
- MathJax Formulas: Renders math formulas in Markdown using MathJax.
- Mermaid Diagrams: Parses and renders diagrams written in Mermaid syntax.
- Emoji Conversion: Converts emoji shortcodes in Markdown into corresponding emoji characters.
- Remember Scroll Position: Preserves your reading scroll position after file reloads or page refreshes.
Releases
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Initial · Markdown ViewerQ&A
- Is Markdown Viewer free?
- Yes, Markdown Viewer is free and open-source, with its source code hosted on GitHub (https://github.com/simov/markdown-viewer).
- Which Markdown syntax is supported?
- It supports GitHub Flavored Markdown (GFM) and offers multiple Markdown parsers to choose from, giving users full control over compiler options.
- Can I view local Markdown files?
- Yes, the extension supports rendering both local and remote file URLs.
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