Use Case Diagram Creator

Professional UML use case diagramming with actors, system boundaries, include/extend/generalization, styling, templates, and export to PNG/JPG/SVG/PDF.

100%

Canvas

7 shapes · 6 connectors

Grid

Lock boundary

Customer

Finds and purchases products.

Support Agent

Handles escalations and refunds.

E-Commerce Platform

System boundary for storefront and orders.

Browse Catalog

Search, filter, and view items.

Place Order

Add to cart and pay.

Track Shipment

Receive status updates.

Request Refund

Escalation and approval.

Inspector

Edit labels, notes, styles, and documentation links.

Select an element or connector to edit it.

UML legend

Association: solid line.

Include/Extend: dashed line with open arrowhead.

Generalization: solid line with hollow arrowhead.

Templates & versions

Save version

Import / Export

AI diagram draft

Describe the system and let AI propose actors, use cases, and connectors.

Tip: mention alternate flows (refunds, retries, escalation) to get include/extend connectors.

AI coverage check

Ask AI for missing actors, alt flows, and doc notes.

Collaboration & comments

You

Editor

Role-based permissions are stored locally. Use the embed snippet to share a view-only iframe.

Quick guidance

• Drag shapes to reposition; pull the corner handle to resize.
• Use right-click drag to pan; Zoom controls sit above the canvas.
• Keyboard: ⌘/Ctrl+Z to undo, Shift+⌘/Ctrl+Z to redo, Delete to remove.
• Add specs/links on the inspector to keep textual documentation tied to shapes.
• Export PNG/JPG for slides, SVG/PDF for vector deliverables, or iframe embed for wikis.

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