What is OnUml?

OnUML is a lightweight, browser-based diagramming tool focused on Mermaid.js, enhanced with AI-assisted chat input. Designed for developers, technical writers, and software architects, it simplifies the creation of UML diagrams and flowcharts through natural language prompts and real-time rendering. Key features include AI-assisted Mermaid generation, live diagram rendering, built-in Mermaid editor, automatic syntax fixes, and code saving and organization. It's an ideal alternative to heavier tools like PlantUML or Lucidchart for generating UML diagram,Mermaid,AI UML generator with real-time UML preview.

OnUml's Core Features