Flowchart Drawer
📊 Mermaid 图表
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Flowchart Drawer

Online Mermaid flowchart editor with auto-rendering

Runs locally · Nothing uploaded

Overview

A professional online flowchart tool supporting start, process, decision, end, and other node types. Features auto layout, connections with arrows, and rich style customization to quickly create clear business flowcharts, algorithm diagrams, and workflow documentation.

Features

  • Flowchart drawing
  • Multiple node types (Start/Process/Decision/End)
  • Connections and arrows
  • Custom node colors & styles
  • Auto layout
  • Export PNG image
  • Export SVG vector
  • Node text editing
  • Zoom & canvas drag
  • Template library

How It Works

  1. 1 Start from a template or create a blank canvas
  2. 2 Drag required node types from the node panel to the canvas
  3. 3 Click nodes to edit text content, drag connection points to create links
  4. 4 Customize node colors and styles, then export as PNG or SVG

Tips

  • Before drawing, organize the process logic and determine the positions of start and end nodes
  • Use different colors to distinguish different node types or branches for improved readability
  • For complex flowcharts, add appropriate spacing and alignment to minimize line crossings

Related tools

Tags FlowchartMermaidDiagram

FAQ

Which node types are supported?

Supports start, process, decision, end, data, and sub-process nodes, covering most flowchart drawing needs.

Can nodes be auto-arranged?

Auto layout is available to automatically arrange nodes based on their connections. You can also manually drag to fine-tune the layout.

How is the exported image quality?

PNG format exports at high resolution, and SVG format provides vector graphics for lossless scaling, both suitable for documents and presentations.

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