Online Flowchart & Architecture Diagram Studio
Create 20+ chart types, Mermaid sequence diagrams, flowcharts, and mind maps.
Instant Launch in Browser
Zero installation required • Private client-side execution
Core Capabilities
🧜 Mermaid.js Engine
Write simple text to generate rich sequence, class, and state diagrams.
📈 20+ Chart Presets
Bar, line, radar, pie, doughnut, polar, and scatter graphs.
📐 Vector SVG Export
High-DPI vector export suitable for whitepapers and documentation.
How It Works
Choose Diagram Type
Pick flowcharts, architecture schemas, or statistical charts.
Edit Nodes & Data
Customize nodes visually or edit structured text/Mermaid definitions.
Download Asset
Export in crystal-clear PNG, SVG vector, or JSON schema.
Frequently Asked Questions
Q: Can I paste CSV data?
Yes! OmniDiagram automatically parses pasted tables into styled charts.
Q: Is it compatible with GitHub?
Yes, all Mermaid code can be copied and rendered natively on GitHub.
Explore the Full 25-in-1 OmniDeck Workstation
OmniDeck brings together 25 private utilities including photo editor, PDF tools, voice recorder, converters, and dual split-screen multitasking.