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Free AI Class Diagram Generator — UML Object-Oriented Diagrams for UK Students | Paperxify

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OOP & UML Class Diagram Studio

AI-Powered Class Diagram Generator for Object-Oriented Systems & UML

Visualizing class structures and inheritance hierarchies is fundamental to object-oriented software design. Paperxify's AI Class Diagram Generator reads your system description and produces a complete UML class diagram. Aligned with UK exam boards (AQA, OCR, Edexcel) for GCSE, A-Level, and university specifications.

Full UML Class Notation

Classes, interfaces, abstract classes, attributes, methods, and visibility (+/-/#) all rendered correctly.

Inheritance & Associations

Inheritance (extends), implementation (implements), composition, aggregation, and dependency arrows supported.

Highly Rated
"Generated the entire class structure for our e-commerce domain model from a written description. Massive time saver."
UK
Sarah Jenkins
Medical Student, Melbourne, AU

Capabilities Comparison

Why engineers, students, and researchers globally choose Paperxify for AI diagram generation.

CapabilitiesPaperxify AI DiagramsDraw.io / LucidchartManual Diagramming
AI from System Description Yes (Instant)Manual onlyManual only
UML Visibility Modifiers Yes (+ / # supported)ManualManual
Inheritance & Interface Lines Yes (All relationship types)Manual drawingManual

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Frequently
asked questions

The Best Free AI UML Class Diagram Generator

Describe your system's classes and relationships in plain text. Get a complete UML class diagram with inheritance and associations in seconds.

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