Diagram AI — Chat to Flowcharts & Diagrams in Seconds
Describe flows, trees, and relationships in plain English. ChatFlowchart turns your text into clean, editable flowcharts, tree diagrams, probability trees, ERDs, and more — ready to tweak, export, and share.
Text to Diagrams
Use Diagram AI to turn text into flowcharts, tree diagrams, probability trees, ERDs, and more — no manual wiring.
Smart Layouts
Auto-align, spacing, and theme presets keep every AI-generated diagram clean and readable.
Edit by Chat
Ask AI to modify your diagram — rename nodes, add steps, rewire connections, or switch diagram types instantly.
Broad Coverage
From product flows to statistics and database ERDs — use one AI diagram generator for all your diagrams.
No signup required · Exports: PNG / SVG / PDF
How to Use Diagram AI & Flowchart Maker
Create professional diagrams and flowcharts in 4 simple steps
Describe
Paste or type what you want (flows, probability trees, relationships, roles).
AI Generates Your Diagram
We detect entities, relations, and structures, then pick a fitting diagram type and layout.
Edit by Chat
Ask the AI to update text, add or remove nodes, rewire connections, or switch diagram types.
Export & Share
Fine-tune styles, then export PNG/SVG/PDF or share a link.
No signup required • No credit card needed • Start creating in seconds
Real-World Use Cases
Discover how professionals use Diagram AI and AI flowcharts across industries
Flowchart Maker
Generate clean, editable flowcharts with AI. Describe any process in plain text and instantly turn it into a structured, professional diagram.
Sequence Diagram Maker
Generate UML sequence diagrams with AI to visualize how components, services, or systems interact over time.
Hasse Diagram Generator
Generate Hasse diagrams from any partially ordered set (poset). Perfect for mathematics, discrete structures, logic, and computer science.
Probability Tree Diagram Generator
Create a probability tree diagram online to visualize conditional probability, dependent events, and multi-step outcomes. Use it as a probability tree diagram calculator for examples, exams, and real-world problems.
Venn Diagram Maker
Create Venn diagrams online with an easy-to-use Venn diagram maker. Generate 2, 3, 4, or more circle Venn diagrams for math, statistics, probability, and data visualization — free and online.
Class Diagram Maker
Generate UML class diagrams with AI to design object-oriented systems, document relationships, and model software architecture.
Ready-to-Use AI Templates
Not sure where to start? Pick an AI diagram template, add your content, and let Diagram AI auto-fill and style the flowchart or tree diagram.
Basic Flowchart Template
Clean, standard flowchart style. Generate by chat, edit instantly, and export PNG/SVG/PDF
Default Sequence Diagram
Standard sequence diagram for showing object interactions over time
Standard Class Diagram
Traditional UML class diagram showing object-oriented structure
Workflow State Diagram
Clear state machine diagram for workflow and process states
Normalized ER Diagram
Well-structured entity-relationship diagram for database design
Project Gantt Chart
Comprehensive project timeline with tasks and dependencies
Why Choose Our AI Flowchart Maker?
Built for professionals who value speed, quality, and flexibility
- Conversational Creation
- Work the way you think, using natural language.
- Edit by Chat
- Modify your diagram through conversation — rename nodes, add steps, or adjust connections instantly.
- 10+ Diagram Types
- From business to architecture, statistics, and education.
- Auto Layout & Styling
- Clean visuals with one click.
- Collaboration
- Share, comment, and track versions.
- Data Safety
- Private by default; optional self-host.
FAQs
- Can I generate a flowchart from text or a paragraph?
Yes. Paste plain English or bullet points; the AI parses steps and decisions to build a clean flowchart.
- Can I generate other diagrams like tree diagrams or ERDs?
Yes. You can use our Diagram AI as a tree diagram maker, probability tree maker, ERD maker AI, and more — all from text prompts.
- Can I edit the flowchart by chat?
Yes. Rename nodes, add steps, rewire connections, and adjust layout through chat.
- What export formats are supported?
PNG, SVG, and PDF.
- Which diagram types are supported?
Flowchart, UML, ERD, Mind Map, C4, BPMN, Org Chart, and more—over ten types in total.
- Do I need to sign up? Is it free?
You can try it online for free without signing up.
- Can I modify diagrams by chat?
Yes. Use conversational commands to rename text, add or delete nodes, and adjust connections or layout. For example: "Rename 'Auth' to 'Authentication Service'," "Add a decision node after Step 2," "Remove the legacy API node," or "Connect Checkout → Payment Service." Changes apply instantly and remain fully editable.
Ready to Create Your First Diagram?
Start creating professional diagrams and flowcharts in seconds with AI. No signup required.
