Native app · Mac & iPhone · 2026
MD Reader makes your Markdown feel like a native app
Open, read, and edit .md files with live preview, LaTeX math, syntax-highlighted code, and an AI assistant that runs right on your device. On your Mac and your iPhone.
- Editor and live preview side by side, with a table of contents and light/dark themes.
- LaTeX math (KaTeX) and code blocks with syntax highlighting for dozens of languages.
- On-device AI assistant (Apple Intelligence): generates Markdown without sending your text to any server.
Preview
live
Editor + Preview
Side by side
LaTeX + Code
KaTeX & highlighting
Available on
Mac & iPhone
Everything you need to read and write Markdown
MD Reader cares about typography and rendering: headings, task lists, tables, quotes, code, and math look crisp on a big screen and in your pocket alike. Every image below is a real screenshot from the app.
Read & edit
Faithful preview and table of contents
Write on the left and see the result on the right instantly. The table of contents jumps to any section in one tap, and light and dark themes keep reading comfortable at any hour.
- Editor and preview synced in real time.
- Navigable table of contents built from your headings.
- VS Code-style command palette and native keyboard shortcuts.
Math & code
LaTeX with KaTeX and highlighted code
Inline $...$ and block $$...$$ formulas render with KaTeX. Code blocks are colored by syntax so your technical guides read perfectly.
- Inline and display equations with KaTeX.
- Syntax highlighting for Swift, Python, JavaScript, and more.
- Tables, task lists, quotes, and rules all nicely formatted.
Anywhere
The same experience on Mac and iPhone
MD Reader is a universal app: carry your documents in your pocket with the same rendering quality. Search inside the text, jump through the table of contents, and open your .md files straight from Files or Finder.
- In-document search with highlighted results.
- File association for
.md/.markdown. - Keyboard shortcuts and native menus on Mac; comfortable gestures on iPhone.
AI assistant
AI that writes Markdown, on your device
Ask for a table, an outline, or a formula and MD Reader generates ready-to-use Markdown, with math always in LaTeX so it renders instantly. It runs on Apple Intelligence's on-device models: your text never leaves your Mac or iPhone.
- Generate and format without leaving the editor.
- Math always in
$LaTeX$, ready for KaTeX. - Private: 100% on-device, no API keys, no servers.
Requires a device that supports Apple Intelligence (macOS 26 / iOS 26).
Need documentation?
The FAQ, guides, and contact pages are ready to answer your questions. Dive in, learn the shortcuts, or send us your feedback.