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amitwh
c574d77c20
ModalManager.js is loaded via <script> tag in index.html, which declares class ModalManager in the global script scope. renderer.js was then doing 'let ModalManager;' which caused: SyntaxError: Identifier 'ModalManager' has already been declared This prevented renderer.js from executing at all, breaking tabs, editor, file open, and preview rendering. Fix: conditionally require ModalManager only if undefined, without re-declaring. In sloppy mode this safely assigns to the existing global. Amit Haridas
MarkdownConverter
A powerful cross-platform Markdown editor and document converter powered by Pandoc, built with Electron. 100% open-source with no proprietary dependencies.
Features
Markdown Editor
PDF Viewer & Editor
- Built-in PDF viewer - Open and view PDF files directly in the app
- Page navigation - Navigate pages with keyboard or buttons
- Zoom controls - Zoom in/out, fit to width, fit to page
- Rotation - Rotate pages left or right
- PDF Editor tools:
- Merge multiple PDFs
- Split PDFs by page range
- Compress PDFs
- Rotate pages
- Delete pages
- Reorder pages
- Add watermarks
- Password protection
- Remove passwords
- Set permissions
Export Options
- PDF - Export to PDF with customizable page sizes and orientation
- DOCX - Standard and Enhanced (template-based) Word export
- ODT - OpenDocument format
- HTML - Web-ready HTML export
- PowerPoint - PPTX presentation export
- EPUB - E-book format
- LaTeX - Academic document format
- RTF - Rich Text Format
Advanced Features
- Custom headers & footers - Add headers/footers to exports with dynamic fields
- Page size configuration - A3, A4, A5, B4, B5, Letter, Legal, Tabloid, or custom sizes
- Batch conversion - Convert entire folders of markdown files
- ASCII Art Generator - Create text banners and diagrams
- Word templates - Use custom Word templates for enhanced exports
- Import documents - Import from 30+ formats (DOCX, PDF, HTML, etc.)
Installation
Prerequisites
Install Dependencies
npm install
Run the Application
npm start
Build for Distribution
# Windows
npm run build:win
# macOS
npm run build:mac
# Linux
npm run build:linux
Keyboard Shortcuts
| Action | Shortcut |
|---|---|
| New File | Ctrl+N |
| Open File | Ctrl+O |
| Open PDF | Ctrl+Shift+O |
| Save | Ctrl+S |
| Save As | Ctrl+Shift+S |
| Export | Ctrl+E |
| Ctrl+P | |
| Find | Ctrl+F |
| Undo | Ctrl+Z |
| Redo | Ctrl+Shift+Z |
| New Tab | Ctrl+T |
| Close Tab | Ctrl+W |
| Toggle Preview | Ctrl+Shift+P |
| Zoom In | Ctrl+Shift++ |
| Zoom Out | Ctrl+Shift+- |
Themes
Light Themes
- Atom One Light (Default)
- GitHub Light
- Light
- Solarized Light
- Gruvbox Light
- Ayu Light
- Sepia
- Paper
- Rose Pine Dawn
- Concrete Light
Dark Themes
- Dark
- One Dark
- Dracula
- Nord
- Monokai
- Material
- Gruvbox Dark
- Tokyo Night
- Palenight
- Ayu Dark
- Ayu Mirage
- Oceanic Next
- Cobalt2
- Concrete Dark
- Concrete Warm
PDF Viewer
Open PDF files directly in MarkdownConverter:
- File > Open PDF or Ctrl+Shift+O
- Navigate pages with arrow buttons or page input
- Zoom controls: +/- buttons, Fit Width, Fit Page
- Rotate pages left or right
- Close PDF to return to editor
Open Source
MarkdownConverter is 100% open-source. All dependencies are permissively licensed:
- Electron - MIT License
- pdf-lib - MIT License
- pdfjs-dist - Apache 2.0 License
- marked - MIT License
- highlight.js - BSD 3-Clause License
- dompurify - Apache 2.0/MIT License
- docx - MIT License
- xlsx - Apache 2.0 License (SheetJS Community Edition)
License
MIT License - see LICENSE file for details.
Author
Amit Haridas (amit.wh@gmail.com)
Version
v4.1.0