Preferences: General

Options in the Marked 2 Preferences, General pane:

Keep new windows on top: Automatically set new windows to “float” above other applications.
Raise window on update: When a change is detected in a watched file, the preview window for that document will rise above other windows on your Desktop without activating Marked
Quit after closing last window: When enabled, If all windows are closed Marked will exit
Translucent in background: Fade the window when it’s not focused. Use the slider to set the opacity.
Disable memory-intensive features on large documents: Disable some processor-intensive features such as collapsible headlines when documents are over 100k

Show style picker: Shows the style picker in the bottom bar of the preview window.
Show word count: Show word count (and statistics button) in the bottom bar of the preview window.
Word count excludes: Word count calculations can be set to ignore any combination of footnotes and citations, block quotes, code blocks, and image captions

Click the shortcut field to record a hotkey combination that triggers an event:

Activate Marked: Switch to Marked when this hotkey is pressed in any application
Raise first window: Raise the frontmost (last active) Marked preview window to the foreground without leaving the current application

Getting Started