Markdown Viewer

View Markdown files with syntax highlighting and smart export tools

# Markdown Viewer **Write in Markdown, export to perfect Word with one click.** *Completely Free · Local Processing · 18+ Professional Themes · 23 Languages Support* --- 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.** --- **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.** --- ## 💫 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 ``````markdown ```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: ```markdown $$ F = ma = m\frac{dv}{dt} = m\frac{d^2x}{dt^2} $$ ``` 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. --- ## 🎯 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... --- ## ⚡ 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 --- ## 🚀 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 --- ## 🎁 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 --- ## 💎 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.** --- ## ❓ 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](https://vega.github.io/vega-lite/examples/). --- ## 🔒 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.** --- ## 🆘 Get Help 📖 [Full Documentation](https://github.com/xicilion/markdown-viewer-extension) · 🐛 [Report Issues](https://github.com/xicilion/markdown-viewer-extension/issues) · 💡 [Feature Requests](https://github.com/xicilion/markdown-viewer-extension/issues) · ⭐ [GitHub Star](https://github.com/xicilion/markdown-viewer-extension) --- ## 🎉 Get Started Now **Install in 30 seconds, start using immediately:** 1. Visit Chrome Web Store → Search "Markdown Viewer" 2. Click "Add to Chrome" 3. Drag `.md` files to browser 4. ✅ 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 --- ## 📜 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 --- **Stop wasting time on formatting** **Focus on writing, let Markdown Viewer handle everything else** ### [🚀 Install Now](https://chromewebstore.google.com/detail/markdown-viewer/jekhhoflgcfoikceikgeenibinpojaoi) *Completely Free · Local Processing · Privacy Protected*