DiagramPreview
AIGeminiDeepSeek fallbackPlantUML

AI PlantUML Generator

Describe a sequence, component, class, activity, use case, or state diagram and generate editable PlantUML source.

Examples
Diagram preview
Describe a sequence, component, class, activity, use case, or state diagram and generate editable PlantUML source.

Comment utiliser

  1. 1Describe the target diagram in plain language.
  2. 2Choose a diagram type and generate code with AI.
  3. 3Review the output, edit it if needed, then export or copy the source.

Cas d’usage

PlantUML sequence diagramsComponent diagramsActivity and state diagrams

FAQ

Which AI provider is used?

The server tries Gemini first and falls back to DeepSeek when Gemini is unavailable, rate-limited, or not configured.

Are API keys exposed to the browser?

No. API keys are read only on the server through environment variables.

Generate PlantUML diagrams from natural language with Gemini and DeepSeek fallback.

Describe a sequence, component, class, activity, use case, or state diagram and generate editable PlantUML source.

The server tries Gemini first and falls back to DeepSeek when Gemini is unavailable, rate-limited, or not configured.