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Generate UML class diagrams in seconds with AI. Add classes, members, stereotypes, and relationships from plain text. Free with SVG and PNG export.

Generate a class diagram from source code with AI. Detect classes, members, and relationships; customize a classdiagram. Free: edit, zoom, export.

Design clean UML class diagrams online with our UML class diagram maker—free and AI‑powered. Add classes, members, stereotypes, relationships. Customize, zoom, and export or embed fast.

Build UML class diagrams instantly. Define classes, members, and relationships visually — no coding needed. Free class diagram maker powered by AI.

Ready-to-use UML class diagram template for classroom management systems. Map teachers, students, courses, grades, and attendance visually. Free to edit.

Visualize your data classification framework with a UML class diagram. Map assets, access policies, retention rules, and audit trails in one view.

Free OOP class diagram template with inheritance, interfaces, and relationships for a library management system. Customize and export instantly.

Design clear UML class diagrams with this ready-to-use template. Visualize classes, attributes, methods, and relationships instantly. Free to use online.

Visualize OOP inheritance with this UML class diagram template. Map abstract classes, subclasses, and overridden methods in minutes. Free and ready to use.