Editing

Peekdown includes a full markdown editor with live preview, syntax highlighting, and formatting shortcuts.

Edit Mode

Press ⌘⇧E to toggle edit mode, or click the edit button in the toolbar. The window expands to show a split view with your editor on one side and a live preview on the other.

  • Editor position — Choose left or right in Settings > Editor
  • Hide preview — Press ⌘⇧P to hide the preview pane while editing
  • Divider — Drag the split view divider to adjust the editor/preview ratio

Changes are reflected in the preview as you type.

Saving

  • ⌘S — Save the current file
  • Dirty indicator — An unsaved file shows a dot in the title bar
  • New files — Press ⌘N to create a new untitled file in edit mode

Formatting Shortcuts

Shortcut Action
⌘B Bold
⌘I Italic
⌘E Inline code
⌘K Link
⌘⌥⇧1 Heading 1
⌘⌥⇧2 Heading 2
⌘⌥⇧3 Heading 3
⌘⇧O Ordered list
⌘⇧U Unordered list
⌘⇧T Task list
⌘⇧. Blockquote
⌘⌥B Formatting toolbar

Scroll Sync

Press ⌘⇧Y to toggle bidirectional scroll sync between the editor and preview. When enabled, scrolling one pane automatically scrolls the other to the matching position.

Syntax Highlighting

Toggle syntax highlighting with ⌘⇧S. Peekdown includes eight editor themes:

  • GitHub Light
  • GitHub Dark
  • Dracula
  • Monokai
  • Solarized Light
  • Solarized Dark
  • One Dark
  • Nord

Change the theme in Settings > Editor.

Editor Font

Choose from popular monospace fonts like SF Mono, JetBrains Mono, Fira Code, Menlo, and Monaco. Adjust the font size from 9pt to 32pt in Settings > Editor.

Spell Checking

Spell checking is available but disabled by default. Enable it in Settings > Editor.