Bokuchi - Free Lightweight Markdown Editor for macOS, Windows & Linux

Lightweight

Tauri + Rust keeps it far lighter than Electron-based editors. Uses less than a third of the memory.

Instant startup

Starts in under a second. Write whenever you're ready.

Works everywhere

macOS, Windows, and Linux. UI in 14 languages.

Private & offline

No account, no cloud, no tracking. Your documents stay on your computer.

Real-time preview

Split view: edit on the left, live preview on the right. See your changes instantly as you type.

Math & diagrams

Render KaTeX math expressions and Mermaid diagrams directly in the preview. Perfect for technical and academic writing.

Markdown toolbar

Format text with toolbar buttons — no need to memorize Markdown syntax. Great for beginners and fast editing.

Folder tree & outline

Browse files in a sidebar folder tree and navigate your document with the heading outline panel.

Multi-tab editing

Open and manage multiple files at once. Your session is automatically restored when you relaunch.

Variable system

Use placeholders like {{author}} that expand when you export. Define global or per-file variables.

Cross-tab search

Search and replace across all open documents at once. Find what you need instantly.

Theme switcher

Choose from Default, Dark, Pastel, Vivid, and Darcula to match your style.

Default

Dark

Pastel

Vivid

Darcula