DiagramPreview
AIGeminiDeepSeek fallbackMermaid

Mermaid AI Fixer

Paste broken Mermaid code and a short repair instruction. The AI will return corrected Mermaid source for preview and export.

Examples
Mermaid preview
Paste broken Mermaid code and a short repair instruction. The AI will return corrected Mermaid source for preview and export.

How to use

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

Common use cases

AI diagram draftingText to Mermaid conversionMermaid syntax repair

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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.

Fix broken Mermaid syntax and improve diagram readability with AI.

Paste broken Mermaid code and a short repair instruction. The AI will return corrected Mermaid source for preview and export.

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