AI Flowchart Maker
Upload a PDF, describe a process, or drag and drop — AI generates professional, editable flowcharts in seconds. 20+ node types, auto-layout, and real-time collaboration.
Try it — drag the nodes around ↓
Everything you need for professional diagrams
From quick sketches to enterprise process maps — one tool does it all.
20+ node types
Terminal, process, decision, data, swimlane, group, and more — every shape you need for professional diagrams.
AI generation from prompts
Describe your process in plain language and AI builds the complete flowchart with nodes, edges, and auto-layout.
PDF & document import
Upload PDFs, PowerPoints, or images. AI extracts processes and builds editable flowcharts automatically in seconds.
Decision branches
Create yes/no decision diamonds with custom path labels. Build complex logic flows with multiple branches.
Custom styling
Color-coded nodes, custom fonts, themes, and rich-text labels. Make diagrams that match your brand.
Auto-layout engine
One-click layout options: top-to-bottom, left-to-right, radial, and force-directed. Clean up messy diagrams instantly.
Data tables
Attach structured data tables to any node. Perfect for specs, requirements, and process documentation.
Export everywhere
Export flowcharts as PNG, SVG, PDF, PowerPoint, Word, Excel, or JSON. Share a link or embed anywhere.
Templates library
Start from 30+ templates: SWOT, org charts, user flows, decision trees, data flows, network diagrams, and more.
How it works
Upload or describe
Upload a PDF, PowerPoint, or image — or simply describe the process you want to map in plain language.
AI builds the flowchart
Google Gemini analyzes your input and generates a complete, editable flowchart with proper node types and connections.
Edit and refine
Drag nodes, edit labels, add branches, change colors, and rearrange. The canvas is fully interactive.
Share and export
Share a link with anyone (no signup required), collaborate in real time, or export to PNG, SVG, PDF, and more.
Frequently asked questions
Can I create flowcharts from a PDF?
Yes. Upload any PDF and OpenCharts uses AI (LlamaParse + Google Gemini) to extract processes, decisions, and connections from the document. The result is a fully editable flowchart you can customize, share, and export.
What types of diagrams can I make?
OpenCharts supports process flows, decision trees, data flow diagrams, SWOT analyses, org charts, swimlane diagrams, UML-style diagrams, network topologies, and more. There are 20+ node types and 30+ ready-made templates.
Is the AI flowchart generator free?
Yes. OpenCharts has a generous free plan that includes AI generation, real-time collaboration, and export. No credit card required. Paid plans unlock higher limits and additional features.
Can I collaborate on flowcharts in real time?
Absolutely. Multiple users can edit the same flowchart simultaneously with live cursors, presence indicators, and node locking. You can also leave threaded comments on specific nodes.
What export formats are available?
Flowcharts can be exported as PNG, SVG, PDF, PowerPoint (PPTX), Word (DOCX), Excel (XLSX), and JSON. You can also share a public link or embed the flowchart on any website.
Ready to try AI Flowcharts?
Free to start, no credit card needed, and your whole team can join.