完全免费

Free UML Diagram tool for personal use:

• No limited number of diagrams and shapes
• No limited period of access
• No ad

Draw as many diagrams as you like. Output and share as PNG/JPG/GIF/SVG/PDF.

快速绘制

Create professional UML diagrams with our web-based UML editor. Some of the editing features:

• Drag and drop diagram editor
• Sticky connectors' end points
• Instant replication of shape format
• Keep patterns of shape as template
• Rich set of diagram templates

帮助功能

An array of powerful diagram tools are there to support you in creating stunning UML diagrams:

• Position shape precisely with alignment guide
• Include your own images, URL and text in diagrams
• Full set of shape and line format options
• Rotatable shapes
• Group, align and distribute tools
• Auto. form shape from text list