Imark for MAC

Imark is a native Markdown reader for macOS. Double-click a .md file and it opens rendered, reloads itself while you edit in another program, and previews in the Finder when you press the space bar. It opens in reading mode because reading is what it is for, and a switch in the toolbar turns the page into a plain editor for the file you already have open, with line numbers, Markdown in colour and a bar beside every changed line.

What sets Imark apart is its comments. Select a phrase, write a note, and the note is saved inside the document as an HTML comment, so it travels with the file when it is emailed, committed or opened in another app. Imark also ships a review skill for Claude Code and Codex, so a coding agent can open a document for you to read and wait for your notes. If you only want to read, the comment controls can be hidden in Settings. Documents render with every request blocked, and remote images are refused on purpose; the app's only network use is checking for and downloading its own updates, which you can turn off.

Imark is made by Miguel Silva and is free and open source under the MIT License. The current release, 0.6.9, is still before version 1 and adds a Copy Path command. It needs macOS 14 or later, and the disk image is signed and notarized, so it opens without a Gatekeeper warning. It is a reader first, and for bigger edits it offers to send the file to an editor such as Cursor, VS Code, Zed or Sublime.

Key Features

Imark makes local Markdown files pleasant to read and easy to comment on.

• Comments in the file: notes are stored in the document as HTML comments.
• Live reload: saving in your editor updates the view and keeps your scroll position.
• Quick Look: the space bar in the Finder shows the rendered document.
• Optional editing: one toolbar switch, line numbers, and Command-S to save.
• Tickable task lists: pressing a box saves the tick to the .md file.
• Outline: foldable headings in the sidebar and a rail along the page edge.
• GitHub-flavoured Markdown: tables, footnotes, Mermaid diagrams and KaTeX maths.
• Wiki-links and tabs: [[note]] links open in the window, with back and forward history.

Imark 0.6.9 adds a quick way to copy a file's path.

• File > Copy Path (Option-Command-C, the same key as in the Finder) puts the full path on the clipboard, ready to paste into a terminal or a chat with your agent.
• Copy Path is also in the toolbar's Open in menu, next to Reveal in Finder.