免費的基於Web的UML工具

在線創建出色的免費UML圖。完全免費!

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、輕鬆地繪製專業的 UML 圖表

完全免費

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

簡單、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

一體化繪圖儀

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,這並非全部……

然而,這並非全部……
  • 終身免費
  • 沒有圖表數量限制
  • 沒有圖形數量限制
  • 全方位繪圖工具:ERD工具、UML工具、組織結構圖工具、平面圖工具、ITIL,商業概念圖
  • 無縫升級至付費版本以獲取更多更強大的圖表類型和功能
  • 全面兼容各款瀏覽器,並適用於所有作業系統 - Mac, Windows, Linux
  • 拖拽式操作,無需學習和培訓就能輕鬆繪製出專業的圖表。
  • 多種多樣的格式選項(形狀和線條,純色和漸變色),40多種連接器類型,RTF標題,字體選項,陰影效果等
  • 用自己的形狀繪製自己的圖。
  • Visio 圖表和模板導入
  • 兼容多種文件格式,一鍵導出 PNG,JPG,SVG,GIF,PDF,方便您與他人進行分享
  • 數百個圖例和模板,讓您輕鬆創建出各種專業圖表
  • 將圖表儲存至 Google 雲端硬盤
  • 輕鬆地將文字,外部圖像和網頁鏈接嵌入到圖表中

親自體驗,更證美好

只需瀏覽下面的UML 圖表示例,點擊開啟圖表打開編輯器,您將親眼印證我們所說的一切 。

創建屬於您的圖表

沒有限制,一按啟用。


開始使用