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Bokuchi User Guide

A free, offline Markdown editor that works on Windows, macOS, and Linux. Write, preview, and manage your documents — no internet required.
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Completely Offline

No internet connection needed. Your documents stay on your computer — no cloud, no account, no tracking.

Real-Time Preview

See your Markdown rendered instantly as you type. Split view, editor-only, or preview-only — your choice.

Multi-Tab Editing

Open and manage multiple files at once with tabs. Drag and drop to reorder, and your session is automatically restored.

Powerful Features

Variables, table conversion, folder explorer, outline panel, KaTeX math, Mermaid diagrams, 5 themes, 14 UI languages, and more — all built in.


Bokuchi editor with split view — write Markdown on the left, see the rendered result on the right

Write Markdown on the left, see the rendered result on the right — in real time. Bokuchi’s clean split-view interface lets you focus on your content.

KaTeX math rendering in Bokuchi

KaTeX Math — Write LaTeX equations and see them rendered in real time.

Mermaid diagram rendering in Bokuchi

Mermaid Diagrams — Create flowcharts, sequence diagrams, and more.


Bokuchi’s interface is available in 14 languages — no plugins required.

English · 日本語 · 中文 (简体) · 中文 (繁體) · Español · हिन्दी · Русский · 한국어 · Português (Brasil) · العربية · Français · Deutsch · Bahasa Indonesia · Tiếng Việt


Free and open source. No account, no cloud, no tracking.

Download Bokuchi    Installation Guide