Markdown Viewer

Write in Markdown, export to perfect Word with one click.

Completely Free · Local Processing · 18+ Professional Themes · 23 Languages Support

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You love writing in Markdown — clean, efficient, version control friendly.
But eventually, you always need a Word document.

The old nightmare:

😫 Manual screenshot flowcharts · Copy-paste formulas become messy · Format code by hand · Adjust tables cell by cell · Spend another 30 minutes tweaking fonts, spacing, and colors after export

One document: 1 hour writing, 2 hours formatting.

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Now it takes just 1 second.

Click to download and get a perfect Word document:

• ✅ Mermaid diagrams → High-resolution images
• ✅ LaTeX formulas → Word editable equations
• ✅ Auto syntax highlighting (100+ languages)
• ✅ 18+ professional themes with one click
• ✅ Completely free, local processing

Spend time on writing, not on formatting.

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💫 See It in Action

Technical Documentation: 15 Flowcharts, 2 Hours → 5 Minutes

Before: draw.io diagram → Export PNG → Insert into Word → Resize → Repeat 15 times = 2 hours

Now: Write Mermaid code → Click download = 5 minutes

System Architecture

```mermaid
graph TB
    A[User] --> B[Load Balancer]
    B --> C[Server 1]
    B --> D[Server 2]
```

Need changes? Modify code and re-export. Save 115 minutes.

Academic Paper: 50+ Formulas, 3 Hours → 10 Minutes

Before: Word equation editor one by one OR paid tool subscription = 3 hours + Paid subscription

Now: Write LaTeX syntax directly → Click download = 10 minutes + Free

Given mass $m$ and acceleration $a$, according to Newton's second law:

$$
F = ma = m\frac{dv}{dt} = m\frac{d^2x}{dt^2}
$$

Export as native Word format, fully editable. Not an image, but a real equation object.

Team Collaboration: Weekly Reports, 1 Hour → 1 Minute

Before: Copy content → Set format → Adjust lists → Add styling → Excel charts + screenshots = 1 hour weekly

Now: Open file → Choose theme → Click download = 1 minute

Choose "Business" theme, Vega-Lite data charts auto-convert to high-res images, professional look. Save 59 minutes weekly.

Business use cases:

• 📊 Sales trends (line charts)
• 📈 Market share comparison (bar charts)
• 🎯 KPI achievement (gauges)
• 📉 Cost analysis (stacked charts)

Let data speak, generate professional reports with one click.

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🎯 Three Core Features

1. Automatic Diagram Conversion

Mermaid Diagrams · Vega/Vega-Lite Data Charts · SVG images · Complex HTML tables

Mermaid: Flowcharts, sequence diagrams, class diagrams, state diagrams → Technical docs, architecture design
Vega/Vega-Lite: Bar charts, line charts, scatter plots, heatmaps → Business reports, data analytics

Time comparison: Complex sequence diagram (10 objects)

• Traditional tools: Draw 30min + Modify 20min + Adjust 10min + Export 5min = 65 minutes
• Markdown Viewer: Write code 5min + Modify 30sec + Export 1sec = 6 minutes

Business scenario: Quarterly sales report (5 bar charts)

• Excel charting + screenshots: Select data 15min + Format 10min + Screenshot 5min = 30 minutes
• Vega-Lite: JSON data 2min + One-click export = 3 minutes

Precise, professional, reusable.

2. Perfect Formula Conversion

LaTeX → Word editable equations (not images!)

After export, you can:

• ✅ Continue editing in Word
• ✅ Adjust font size
• ✅ Modify symbols and variables
• ✅ Copy to other documents

One formula, two approaches:

• ❌ Word equation editor: Click...click...click...select symbols...adjust positions
• ✅ LaTeX: \int_0^\infty e^{-x^2}dx Done

3. 18+ Professional Themes

Different scenarios, different styles, one-click switch:

• 📊 Business / Technical → Business reports, technical docs
• 📚 Academic / Palatino → Academic papers, book typesetting
• 🇨🇳 Songti / Heiti / Mixed → Chinese documents
• 🎨 Typewriter / Sakura → Creative content

WYSIWYG: Preview looks exactly like exported Word. No guessing, no trial.

No more manual adjustments: Font, size, line spacing, paragraph spacing, code background...

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⚡ Lightning Fast Experience

Smart Cache: First Time 5s, Second Time 1s

Document with 50 Mermaid diagrams:

• First open: Text displays instantly, diagrams render in background, all done within 5s
• Second open: Load from cache, instant display (<1s)
• Text modified: Still instant (diagrams from cache)
• Diagram modified: Only re-render changed diagrams

10x faster than Word, 100x smaller files.

Reading Enhancement

• Three layouts: Normal (1000px) / Full screen / Narrow (530px, preview Word effect)
• Flexible zoom: 50%-400%, shortcuts Ctrl/Cmd + - 0
• Smart TOC: Auto-extract headings, sidebar navigation, Ctrl/Cmd + B to toggle
• Position memory: Auto-save scroll position, continue reading next time
• History: Track recently opened documents

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🚀 Quick Start - 3 Steps

Step 1: Install Extension (30 seconds)

1. Open Chrome browser
2. Visit Chrome Web Store
3. Search "Markdown Viewer"
4. Click "Add to Chrome"
5. ✅ Installation complete

Step 2: Allow File Access (1 minute)

If you want to open local .md files:

1. Open chrome://extensions/
2. Find Markdown Viewer
3. Enable "Allow access to file URLs"
4. ✅ Now you can double-click to open local Markdown files

Not needed if:

• Only viewing online docs (GitHub, blogs, etc.)
• Using browser's "Open File" function

Quick Start

Open documents: Double-click .md files, or drag to browser · GitHub docs auto-rendered

Export to Word: Click download button or Ctrl/Cmd + S → See progress → Auto-save

Switch themes: Click toolbar → Choose theme → Apply instantly

Adjust view: +/- zoom · Layout switch · Ctrl/Cmd + B TOC

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🎁 Complete Features

Full Markdown Syntax Support

Headings · Paragraphs · Bold · Italic · Strikethrough · Lists · Task lists · Blockquotes · Code blocks (100+ languages highlighted) · Tables · Links · Images · Mermaid diagrams · Vega / Vega-Lite charts · LaTeX formulas · HTML · GFM extensions

18 Themes

Business: Default · Business · Technical
Academic: Academic
Serif: Palatino · Garamond · Cambria · Elegant
Sans-serif: Verdana · Trebuchet · Century
Chinese: Songti · Heiti · Mixed
Creative: Typewriter · Sakura · Water · Minimal

23 Interface Languages

Simplified Chinese · Traditional Chinese · English · Deutsch · Español · Français · Italiano · Nederlands · Português (BR) · Português (PT) · Polski · Русский · 日本語 · 한국어 · ไทย · Tiếng Việt · हिन्दी · Bahasa Indonesia · Dansk · Suomi · Norsk · Svenska · Türkçe

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💎 Competitive Advantages

	Manual Screenshots	CLI Tools	Online Services	Desktop Editors	Markdown Viewer
Ease of Use	Tedious	Setup needed	Upload needed	Install needed	✅ One-click
Mermaid	Manual screenshot	Plugin needed	✅ Supported	✅ Supported	✅ Native support
Math Formulas	Images	Images	Images	Images	✅ Editable
Privacy	✅ Local	✅ Local	❌ Cloud upload	✅ Local	✅ Local
Themes	-	-	3-5	5-10	✅ 18+
Offline	✅	✅	❌	✅	✅
GitHub Direct View	❌	❌	❌	❌	✅
Price	Free	Free	Paid plans	Paid plans	✅ Free

Core advantage: Faster, cheaper, safer, more powerful.

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❓ FAQ

Q: Can I edit the exported Word document?
A: Yes. Standard .docx format, math formulas are editable, not images.

Q: Which diagrams are supported?
A: All Mermaid diagrams (flowchart, sequence, gantt, class, state, pie, ER, etc.), Vega / Vega-Lite data visualization charts + SVG auto-conversion.

Q: Is there a file size limit?
A: No limit. Smart cache, documents with 100+ diagrams open instantly.

Q: Does it require internet?
A: No. Completely local processing, works offline.

Q: Will my documents be uploaded?
A: Never. All processing happens locally.

Q: How to switch themes?
A: Click toolbar icon → Select theme → Apply instantly.

Q: Can I customize themes?
A: Currently 18 preset themes, customization coming soon.

Q: Will large documents lag?
A: No. Progressive loading + smart cache, text displays instantly, diagrams render in background (first 5s, second 1s).

Q: Does cache take up much space?
A: Default max 1000 items, approximately 500 MB, adjustable or clearable in settings.

Q: Which browsers are supported?
A: Chrome and Chromium-based browsers (Edge, Brave, Opera).

Q: Which Word versions can open the exported file?
A: Word 2016+ fully supported, Word 2013 also works. Fully compatible with WPS Office.

Q: Can I export to PDF?
A: Currently Word only, PDF planned. You can export to Word then save as PDF.

Q: Which theme suits me?
A: Business reports → Business · Academic papers → Academic · Technical docs → Technical · Chinese docs → Songti/Mixed

Q: What's the difference between Vega and Mermaid?
A: Mermaid is for flowcharts, architecture diagrams, and other schematic diagrams; Vega/Vega-Lite is for data visualization like sales charts, financial reports, and other data-driven business charts. They complement each other for different scenarios.

Q: How to create charts with Vega-Lite?
A: Use ````vega-lite` code block in Markdown with JSON format chart specification. See Vega-Lite official examples.

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🔒 Privacy Commitment

• ✅ All processing done locally, never uploaded
• ✅ No tracking, no personal data collection
• ✅ Open source code, auditable and transparent
• ✅ Chrome Web Store security approved (Manifest V3)

Your privacy is 100% protected.

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🆘 Get Help

📖 Full Documentation · 🐛 Report Issues · 💡 Feature Requests · ⭐ GitHub Star

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🎉 Get Started Now

Install in 30 seconds, start using immediately:

1. Visit Chrome Web Store → Search "Markdown Viewer"
2. Click "Add to Chrome"
3. Click "Manage Extensions" , Enable "Allow access to file URLs"
4. Drag .md files to browser
5. ✅ Start using

You'll get: Markdown → Word one-click conversion · Mermaid auto-convert · LaTeX editable formulas · 100+ languages syntax highlighting · 18+ themes · Smart cache · Completely free

Perfect for: Technical writers · Students/researchers · Product managers · Developers · Anyone using Markdown

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📜 Open Source License

This project is open source under ISC license. Welcome to Star, report issues, suggest features, and contribute code.

Project URL: https://github.com/xicilion/markdown-viewer-extension

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Stop wasting time on formatting

Focus on writing, let Markdown Viewer handle everything else

🚀 Install Now

Completely Free · Local Processing · Privacy Protected