md-print

Beautiful Markdown printing — a browser-based editor with live, print-optimized preview.

Write or paste Markdown on the left, see a typeset paper preview on the right, and hit Ctrl+P to print.

Features

• Live preview with debounced rendering in a realistic paper layout
• Print-optimized output — the preview becomes the printed page, headers/editor hidden automatically
• Multiple themes — Klassisch, Modern, Editorial
• Paper sizes — A4, Letter, Legal (affects both preview and @page rules)
• KaTeX math — inline $...$ and display $$...$$
• Syntax highlighting via highlight.js with auto-detection
• YAML frontmatter — title, author, date, abstract rendered as a document header
• Table of contents — auto-generated from headings, localized labels
• Typographic enhancements — smart dashes and ellipses
• Drag & drop — drop .md / .txt files into the editor
• Keyboard shortcuts — Bold (Ctrl+B), Italic (Ctrl+I), Print (Ctrl+P), Tab indent
• Resizable split pane — drag the divider between editor and preview
• Responsive — mobile-friendly with tab navigation
• Persistent settings — language, paper size, theme, TOC toggle saved in localStorage
• Multi-language UI — DE, EN, FR, ES, IT

Tech stack

• SvelteKit with Svelte 5
• marked (Markdown parsing, GFM)
• KaTeX (math rendering)
• highlight.js (syntax highlighting)
• Static adapter — fully client-side, no server needed

Getting started

npm install
npm run dev

Open localhost:5173 to start editing.

Building

npm run build
npm run preview   # preview the production build locally

The static output lands in build/ and can be deployed to any static host.