Pretty Fish — A Better Mermaid Diagram Editor

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Pretty Fish — A Better Mermaid Diagram Editor

Create beautiful flowcharts, sequence diagrams, ERDs, Gantt charts, mind maps and more with Pretty Fish — a free, open-source Mermaid editor with live preview, themes, multi-page workspaces, and instant SVG/PNG export.

🥫 It does what it says on the tin.

mermaid · diagram-editor · flowchart-maker · sequence-diagram · ER-diagram · gantt-chart · class-diagram · state-diagram · mindmap · online-diagram-tool · mermaid.js · pretty-fish · mermaid-editor · mermaid-diagram-editor · free-diagram-tool · flowchart-online · diagram-maker · mermaid-live-editor

April 19, 2026 at 6:29:32 PM EDT * · permalink

https://pretty.fish/

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