Workspace
Beautify Mermaid and PlantUML Diagrams
Switch between Mermaid and PlantUML samples, then inspect the source-aware preview and the beautified export-ready rendering on the right.
Source Editor
Mermaid flowchart
Live preview
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Sample Library
Choose a source first, then pick a sample underneath.
Samples
Flow
File upload deferred
Mermaid and PlantUML activity diagrams are available in the editor now. draw.io and SVG uploads are Coming Soon after the core flow is stable.
Preview
Presentation-quality rendering
Beautified
Paste Mermaid or PlantUML syntax to generate a preview.
100%
Original render
Native source output for comparison.
Beautified output
0 rendered shapes, 0 routed connections, cleaner hierarchy.
Export