Powerful features, zero cost
Everything you need for professional markdown editing, from WYSIWYG rendering to data safety, all completely free.
Writing Experience
A refined editing experience that adapts to your workflow, not the other way around.
WYSIWYG Mode
See your formatting instantly as you type. No preview pane needed.
Source Mode
Switch to raw markdown for precise control.
Outline Navigation
A live document outline in the sidebar parses your headings and lets you jump to any section instantly.
Standard Markdown
Full CommonMark and GitHub Flavored Markdown support.
Rich Content
Go beyond text with advanced content types for technical writing and documentation.
Advanced Tables
Create complex tables with alignment, spanning, and inline editing.
Math KaTeX
Render mathematical expressions beautifully.
Diagrams
Mermaid support for flowcharts and graphs.
Task Lists
Interactive checkboxes for task management.
Image Management
Seamlessly work with images in your documents.
Drag & Drop
Drop images directly into the editor. Automatic upload and linking.
Auto-Copy to Assets
Images automatically copied to local assets folder for portability.
Fullscreen Viewer
Click any image to view in fullscreen with zoom support.
File Management
Organize and navigate your markdown files efficiently.
Data Safety
Your work is precious. We protect it with multiple safeguards.
Atomic Write
Files are written to temporary location first, then renamed. Never corrupt your documents.
Crash Recovery
Automatic recovery files detect and restore unsaved changes after unexpected shutdowns.
Version History
Automatic backups stored locally. Browse and restore previous versions anytime.
Customization
Make MarkBun yours with extensive customization options.
Localization
MarkBun speaks your language. Full i18n support for global users.
More languages coming soon. Contribute translations on GitHub.
Ready to experience MarkBun?
Download now and join thousands of writers who choose MarkBun for their markdown editing needs.