The best free AI diagram generator. Type your prompt in plain English and get a professional diagram in seconds no software, no syntax, no credit card.
Generate DiagramAn AI diagram generator converts plain-text descriptions into visual diagrams. Instead of learning a diagramming tool, you simply describe what you want and the AI draws it.
ArchGPT is a free AI diagram generator that supports UML, C4, sequence, ER, flowchart and system architecture diagrams. Type your prompt, get a diagram, export it or keep editing.
Professional diagrams in seconds no dragging, no drawing, no steep learning curve.
Generate unlimited diagrams with no subscription and no hidden costs.
Export as PNG, JPEG, SVG or PDF for docs, slides and presentations.
Open any diagram in the built-in editor to fine-tune the result.
Try a prompt: "An online store with customers, products and orders. Customers place orders, each order contains products, and payments are tracked for every order."
Everything you need to know about generating diagrams.