Marked is a dedicated Markdown preview application for Mac workflows that already have an editor. Downright combines preview, editing, source inspection, and external-change review in one native app.
Choose Downright if…
- You need to edit the Markdown as well as read its rendered form.
- You want a native file watcher and word-level review for agent rewrites.
- You want Quick Look, Finder, Spotlight, and the
downCLI in the same product. - You prefer a free MIT-licensed application with no account requirement.
Choose Marked if…
- You already have a writing editor and want a dedicated preview companion.
- You value Marked's existing export, style, and editor integration workflow.
The practical difference
Marked is a preview specialist. Downright is a file-aware Markdown workspace for reading, editing, rendering, and reviewing files that other processes may change.
Reviewed/tested August 16, 2026. Primary references: Marked’s official site and the full editor comparison. Features and pricing can change; use the official site as the current source.