# SmallMindMap - 小导图 | Free Online Mind Mapping Tool
> SmallMindMap (小导图) is a free online mind mapping tool at smallmindmap.com. It supports unlimited nodes, multiple theme colors, import/export, and keyboard shortcuts. No installation or registration required.

## Core Features
- Unlimited nodes and free layout
- Three color modes: Level, Branch, Linear
- Theme presets: Default, Ocean, Sunset, Random
- Keyboard shortcuts: Tab=new child, Enter=edit, Delete=delete, Arrow keys=navigate
- Import/export JSON format
- Bilingual interface (Chinese/English)
- Cloud sync (Pro feature)
- Auto-save to local storage

## Use Cases
- Brainstorming and idea organization
- Project management and WBS decomposition
- Class notes and exam review for students
- Personal knowledge management
- Meeting notes and documentation
- Essay and article outlining

## Pricing
- Free: up to 3 mind maps, all core features
- Pro: $3/month or $209/year unlimited mind maps, cloud sync across devices, import/export (PNG, SVG, JSON), priority support

## Technical Details
- Built as a single-page application (SPA) with Canvas rendering
- Uses Supabase for authentication and cloud storage
- Payment processing by Paddle
- All data stored locally with optional cloud sync for Pro users

## Contact
- Email: 361512234@qq.com
- Website: https://www.smallmindmap.com/