Edmund for MAC
Free, open-source native Markdown editor for Mac with inline live preview, like Typora or Obsidian, that opens .md files from anywhere.
Edmund Overview
Edmund is a minimal, native Markdown editor for macOS with inline live preview: the formatting appears as you type, in the style of Typora and Obsidian. It is file-based, so you open .md files from anywhere on your Mac, with no vaults or special folders. Edmund is written fully in Swift with AppKit and TextKit 2, so it starts quickly and handles files of one or two megabytes with ease. It works alongside a Markdown notes folder or on its own.
Edmund supports tables you can select, move and edit, code blocks, and optional maths and Obsidian syntax. It works offline by default and can block external links and clean up HTML for privacy. Edmund is made by Ina Tang and is free and open source under the Apache-2.0 license. It is still in beta. Version 0.8.3 needs macOS 14 or later. Edmund is not signed by Apple, so the first time you open it, choose Open Anyway in System Settings → Privacy & Security.
Key Features
Edmund makes Markdown pleasant to write on a Mac.
- Live preview: formatting appears inline as you type.
- File-based: open .md files from anywhere, no vaults.
- Native and fast: Swift, AppKit and TextKit 2, no Electron.
- Tables: select, move, cut, copy and paste rows and columns.
- Maths and Obsidian syntax: optional extras.
- Private: offline by default, with external links blocked if you wish.
- Inspector: a sidebar on the right.
- Quick Look: preview Markdown files in the Finder.
What’s New in Version 0.8.3
Edmund 0.8.3 improves tables and settings.
- Inspector in the right sidebar
- Faster first switch to Read mode
- Tables: select, drag, cut, copy and paste rows and columns, with automatic alignment
- Redesigned Appearance settings with font themes
- Built-in help
- Fixes for Quick Look and code blocks
Edmund FAQ
Is Edmund free?
Yes. Edmund is free and open source under the Apache-2.0 license.
Which macOS version does Edmund need?
Edmund 0.8.3 needs macOS 14 or later.
Is Edmund finished?
Not yet. Edmund is in beta, with more features on its roadmap.
Why does macOS say Edmund is damaged?
Edmund is not signed by Apple. It is not damaged: choose Open Anyway in System Settings → Privacy & Security, or run xattr -dr com.apple.quarantine /Applications/Edmund.app in Terminal.
Do I need a vault or special folder?
No. Edmund opens .md files from anywhere on your Mac.
Does Edmund show a live preview?
Yes. Formatting appears inline as you type, in the style of Typora and Obsidian.
Does Edmund support maths?
Yes. Maths and Obsidian syntax are optional extras you can turn on.
Does Edmund need the internet?
No. It works offline by default and can block external links.
Can I install Edmund with Homebrew?
Yes. Run brew install --cask i7t5/tap/edmund.
Where does the Edmund download on edmund.FULLMAC.app come from?
The download button leads to the official Edmund website at https://edmund.md/. edmund.FULLMAC.app does not change or repackage the app.
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FULLMAC.app does not host this app. Download buttons lead to the developer’s own pages.