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

- **Multi-tab editing** - Work on multiple files simultaneously - **Live preview** - Real-time markdown rendering with syntax highlighting - **Dynamic splitter** - Drag to resize editor and preview panes - **25+ themes** - Light and dark themes including Atom One Light, Dracula, Nord, Sepia, and more - **Find & Replace** - Search and replace with regex support - **Line numbers** - Toggle line numbers in the editor - **Auto-save** - Automatic saving every 30 seconds - **Math support** - KaTeX integration for mathematical expressions

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

Node.js (v16 or later)
Pandoc (required for export functionality)

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
Print	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