Free AI Diagram Generator
Create Professional Diagrams Instantly
Transform your ideas into professional diagrams with our free AI diagram generator. Create flowcharts, ER diagrams, sequence diagrams, mind maps, and 16+ diagram types from simple text prompts. Our AI diagram maker delivers stunning, presentation-ready results in seconds — no design skills required.
One Diagram. Different Styles.
Don't settle for generic visuals. Match your diagram's aesthetic to your brand identity with our Style Picker.
Content-Based
Corporate Clean
Modern Tech
Editorial / News
3D Isometric
Blueprint
Hand-Drawn
Cyberpunk
Paper Cutout
Retro Pixel
Content-Based
Corporate Clean
Modern Tech
Editorial / News
3D Isometric
Blueprint
Hand-Drawn
Cyberpunk
Paper Cutout
Retro Pixel
Auto-scrolling showcase • Hover to pause • Click to create
All Diagram Types in One AI Diagram Maker
From flowcharts to organizational charts, we support 16 diagram types. Click any diagram to start creating.
Flowchart
Sequence Diagram
Class Diagram
State Diagram
Gantt Chart
Timeline
Mind Map
Network Diagram
ER Diagram
UML Diagram
Venn Diagram
Sankey Diagram
AWS Architecture
Lewis Diagram
Organizational Chart
Quadrant Chart
Funnel Chart
Click any card to start creating your diagram
Pro AI Diagram Generator Features
Stop presenting boring boxes. Start telling visual stories.
Boardroom-Ready Aesthetics
Don't spend hours aligning shapes in PowerPoint. Our Pro engine understands design principles, lighting, and layout. It generates High resolution diagrams/infographics ready to drop directly into your slides or reports.
Real-World Awareness
Search Grounding
"Map the current supply chain of Apple." Unlike standard drawing tools, our Pro AI connects to the web. It researches the latest data, facts, and relationships before it draws, giving you accurate, up-to-date infographics in seconds.
Complex Reasoning
Visualize the invisible. Ask for abstract concepts like "The emotional journey of a customer buying a house" or "The friction points in our Q3 sales strategy." The AI analyzes the sentiment and visualizes the nuance.
How Our AI Diagram Generator Works
Our "Draft → Render" workflow ensures you only pay for the final, polished result.
Describe & Draft
Type your idea. Our lightweight AI instantly sketches the logic structure for you to review.
Refine
Edit the text, adjust the flow, or add details using our simple chat interface.
Render in 4K
Hit the "Pro Render" button. Our AI engine takes your draft and paints a high-fidelity, professional visualization.
AI Diagram Generator Pricing - Start Free
Pay for the compute you use. No hidden fees.
- 5 Pro Credits (one-time)
- Unlimited Draft Mode
- All 16+ Diagram Types
- Max Resolution: 2K
- Watermark on Pro Mode
- 100 Pro Credits/month
- Max Resolution: 2K
- No Watermark
- Commercial License
- Private Gallery
- 400 Pro Credits/month
- Max Resolution: 4K
- 4K Generation (6 credits)
- Priority Support
- All Starter Features
Complete Feature Comparison
See everything that's included in each plan
| Feature | FreeDeveloper | StarterBest Value | ProPower Users |
|---|---|---|---|
| Price | $0 | $9/mo | $35/mo |
| Creditsℹ️ | 5 (one-time) | 100/mo | 400/mo |
| 2K Generationℹ️ | 3 credits | 3 credits | 3 credits |
| 4K Generationℹ️ | — | — | 6 credits |
| Draft Modeℹ️ | Unlimited | Unlimited | Unlimited |
| AI Text/ASCII Diagrams | |||
| Editable Mermaid Code | |||
| Max Resolutionℹ️ | 2K | 2K | 4K |
| Watermarkℹ️ | Yes | No | No |
| Ownershipℹ️ | Diagram-Generator | You | You |
| Galleryℹ️ | Public | Private | Private |
| Commercial Licenseℹ️ | |||
| Diagram Typesℹ️ | All 16+ | All 16+ | All 16+ |
| Diagram Stylesℹ️ | All 10+ | All 10+ | All 10+ |
| Supportℹ️ | Community | Standard | Priority |
Frequently Asked Questions
Everything you need to know about Diagram-Generator.