MDViewer — Markdown Reader

Fast Markdown viewer & editor

Only for Mac

Free · In‑App Purchases

Mac

MDViewer — Fast, Native Markdown Viewer for macOS MDViewer is a lightweight, beautifully designed Markdown viewer built with SwiftUI. Open any .md file and see it instantly rendered — with syntax highlighting, diagrams, and math support. Key Features Beautiful Markdown Rendering Full GitHub Flavored Markdown (GFM) support — tables, task lists, code blocks, links, images, and more. Syntax Highlighting 180+ languages with a GitHub-style theme. Automatically adapts to light and dark mode. Table of Contents Auto-generated from headings with smooth scroll sync and collapsible sections. Mermaid Diagrams Render flowcharts, sequence diagrams, ER diagrams, Gantt charts, and more — with fullscreen zoom. Math Formulas LaTeX-powered rendering via KaTeX — supports inline and block equations, matrices, integrals, and symbols. JSON Viewer Open .json files as an interactive, collapsible tree with formatting tools. Find in Document Instant search with highlighting and quick navigation (Cmd+F). QuickLook Integration Preview .md, .json, and .mermaid files directly in Finder with the Space bar. Work with Projects Multi-Tab Interface Open multiple files at once. Drag & drop files and folders. File Tree Navigation Browse your project from the sidebar and quickly open files. Git History & Diffs View commit history, switch versions, and compare changes with line-by-line diffs. Inline Editor Edit Markdown with syntax highlighting — jump to position and start typing instantly. Designed for macOS Native SwiftUI App Fast, responsive, and memory-efficient. Light & Dark Mode Seamless adaptation to system appearance. Keyboard Shortcuts Powerful shortcuts like Cmd+F, Cmd+S, Cmd+R, and more. Default Markdown App Set MDViewer as your default .md viewer for instant access. Status Bar Word count, reading time, and zoom controls at a glance. Pro Features MDViewer is free with core functionality. Upgrade to Pro (one-time purchase) to unlock: • Inline editor • Git history & diffs • File tree • Unlimited tabs • Multi-file opening • Math formula rendering

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What's new in 1.13 • New File (⌘N) — create a new markdown document right inside MDViewer and save it later with the system save dialog • Open Recent — quickly reopen recent files from the File menu or by right-clicking the app icon in the Dock • Untitled draft fallback — empty new documents no longer lead to a blank, dead-end screen; instead, you get clear actions to edit, open a file, or discard the draft • Safer unsaved handling — closing the window now correctly asks what to do with unsaved changes • UI polish — fixed repeated Open File dialogs on rapid clicks and aligned the status bar icons for a cleaner look Under the hood • Improved overall stability and performance across editing, file handling, and view transitions

The developer, Crocopliers, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Crocopliers OU
Size
  • 5.2 MB
Category
  • Developer Tools
Compatibility
Requires macOS 13.0 or later.
  • Mac
    Requires macOS 13.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © Crocopliers OÜ