免费的基于Web的UML工具

在线创建出色的免费UML图。完全免费!

需要 UML 工具?

Visual Paradigm Online Free Edition is a free, easy-to-use web based UML tool. It gives you the tools to draw UML diagrams and other diagrams like ERD, Organization Chart and Floor Plan. With multiple diagram template and an intuitive diagram editor, this UML tool lets you direct all of your energy into visualizing your ideas and not into fumbling through complicated menu and pop-ups. The software is free for non-commercial use. You can create unlimited number of diagrams and shapes, and export diagrams into images.


迅速、轻松地绘制专业的 UML 图表

完全免费

Create as many diagrams as you like. Output diagrams into images (PNG/JPG/GIF/SVG) or PDF. Simply free!

  • No limited number of diagrams and shapes
  • No expiry date
  • Ad free

简单、迅速

UML design can be simple. Below are some editing features that help you draw UML diagrams effortlessly:

  • Drag-to-create shape
  • Well attached connectors (no separate apart)
  • Instant copying of shape format
  • Save shapes as pattern for reusability
  • Hundreds of diagram templates

一体化绘图仪

A full set of professional diagram tools are ready to support you in creating high quality UML diagrams:

  • Precise positioning of shape with alignment guide
  • Embed external images, URLs and text in drawing
  • Foramt shapes and connectors
  • Rotatable shapes and labels
  • Group, align and distribute shapes
  • Auto. form shape from list of text


然而,这并非全部……

然而,这并非全部……
  • 终身免费
  • 没有图表数量限制
  • 没有图形数量限制
  • 全方位绘图工具:ERD工具、UML工具、组织结构图工具、平面图工具、ITIL,商业概念图
  • 无缝升级至付费版本以获取更多更强大的图表类型和功能
  • 全面兼容各款浏览器,并适用于所有作业系统 - Mac, Windows, Linux
  • 拖拽式操作,无需学习和培训就能轻松绘制出专业的图表。
  • 多种多样的格式选项(形状和线条,纯色和渐变色),40多种连接器类型,RTF标题,字体选项,阴影效果等
  • 用自己的形状绘制自己的图。
  • Visio 图表和模板导入
  • 兼容多种文件格式,一键导出 PNG,JPG,SVG,GIF,PDF,方便您与他人进行分享
  • 数百个图例和模板,让您轻松创建出各种专业图表
  • 将图表储存至 Google 云端硬盘
  • 轻松地将文字,外部图像和网页链接嵌入到图表中

亲自体验,更证美好

只需浏览下面的UML 图表示例,点击开启图表打开编辑器,您将亲眼印证我们所说的一切 。

创建属于您的图表

没有限制,一按启用。


开始使用