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Universal Chart, Flowchart & Mermaid Diagram Studio
Generate 20+ Chart.js graphs and Mermaid flowcharts with smart table pasting, 6 professional color palettes, and 1-click SVG/PNG export.
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100% Private
Zero files uploaded. Processed entirely in browser memory.
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Zero Advertisements
No popups, redirects, watermarks, or sign-up gates.
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Dual Split Screen
Run side-by-side with other tools on desktop.
🎯 What Can You Do with Diagram & Flowchart Maker?
- ✓ Create 20+ chart types (Bar, Line, Pie, Radar, Area).
- ✓ Render Mermaid flowcharts, sequence diagrams, and mindmaps.
- ✓ Paste tabular data directly from Excel or Google Sheets.
- ✓ Export vector SVG and high-res PNG images.
📋 How to create flowcharts, charts, and Mermaid diagrams with OmniDeck Pro
1
Select Diagram or Chart Type
Choose Bar, Line, Pie, Radar, Flowchart, or Sequence diagram.
2
Paste Data or Mermaid Syntax
Paste tabular data from Excel/Google Sheets or write simple Mermaid markdown.
3
Export Vector Image
Save high-resolution PNG or vector SVG files for presentations.
💡 Frequently Asked Questions & Privacy Verification
? Can I paste data directly from Excel?
Yes, copy any table from Excel or Google Sheets and paste it directly to generate charts.
? Does OmniDiagram support Mermaid syntax?
Yes, full support for flowcharts, class diagrams, and sequence graphs.