2026
Markdown to PDF Converter
Free online tool for converting Markdown documents to professional PDF files, with live preview and customizable settings.
- Role
- Full-Stack Developer
- Duration
- 1 day
- Team Size
- 1
- Year
- 2026
A web application that allows users to convert Markdown files to PDF documents directly in the browser. The tool offers a real-time preview, customizable PDF settings (page size, orientation, margins), and full privacy - all processing happens client-side without sending data to any server. The application supports drag & drop file upload, dark/light theme, and is available in Polish and English with automatic language detection.
Key Features
- Live Markdown preview with syntax highlighting
- Customizable PDF settings (A4, A3, Letter, Legal, orientation, margins)
- Drag & drop .md file support
- Copy HTML output to clipboard
- Sample Markdown content loading
- Dark and light theme with system preference detection
- Internationalization (Polish and English) with auto-detection
- PWA support for offline usage
- 100% client-side processing - full privacy
Challenges and solutions
- Implementing proper page breaks in PDF to prevent text from being cut mid-paragraph
- Handling complex Markdown content in vue-i18n translation system
- Creating a responsive split-view editor that works on all screen sizes
- Optimizing PDF generation performance for large documents
Results
- Deployed and publicly available at md2pdf.michal-ziolek.dev
- Fast PDF generation entirely in the browser
- Zero data collection - complete user privacy
- SEO optimized with full meta tags, Open Graph, and JSON-LD schema