Folio: Markdown Library
MD Editor, Notes & Organizer
Free · In-App Purchases
See how your notes connect with the new Link Map, then refine your ideas with the private, on-device Writing Assistant.
Folio is a local-first library for Markdown and plain text on Mac. Bring notes and docs into one place, organize them with folders and tags, explore connections with Link Map, and write with private on-device assistance—without juggling loose files in the Finder.
Library & organization
• Import Markdown and text via the file picker, drag-and-drop, or Import from Git Link for public GitHub repositories and individual files.
• Needs Organizing gives new imports a clear inbox before you file them.
• Folders and nested structures help you group work the way you think.
• Tags cut across folders so you can filter by topic or project.
• Pinned favorites and Recently Opened put what you need one click away.
Explore connections
• Link Map visualizes connections between your notes.
• Follow links to explore related ideas and navigate your library from a new perspective.
Reading & writing
• Use Editor, Preview, or Split View to draft and see rendered Markdown side by side.
• Use Writing Assistant to refine drafts, improve wording, and turn rough ideas into clearer notes with private on-device help.
• Find text within the current document.
• Sort notes by title, date added, last opened, and more.
• Search across your library from the sidebar.
Share & export
• Share notes as Markdown or plain text.
• Export documents to a folder you choose in Finder.
Whether you’re collecting research, drafting READMEs, or building a personal knowledge base, Folio keeps your Markdown connected, organized, searchable, and easy to revisit.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Link Map: visually explore connections between your notes and discover related ideas
• Writing Assistant improvements for clearer, faster on-device writing
• Performance improvements and bug fixes
The developer, Dinh Bao Thang Duong, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Dinh Bao Thang Duong
- Size
- 45.7 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Lifetime $12.99
- Copyright
- © 2026 James Thang