UMLGen

Spec sheet

Intended users

The site names software developers, students and academics, and software architects as users.Read 8 Oct 2026 · umlgen.com

Platforms

UMLGen is browser-based and the site says it works on desktop, tablet, and mobile.Read 8 Oct 2026 · umlgen.com

Account requirement

The site says no signup is required to use UMLGen.Read 8 Oct 2026 · umlgen.com

AI generation

Its engine parses text, identifies relationships, and renders UML, ER, or EER notation.Read 8 Oct 2026 · umlgen.com

Diagram types

It supports Use Case, Class, Sequence, Activity, Deployment, ER, and EER diagrams.Read 8 Oct 2026 · umlgen.com

Editing

Users can modify a generated diagram by editing the text and regenerating it, or create a diagram from scratch in the editor.Read 8 Oct 2026 · umlgen.com

Export

Users can download diagrams as high-resolution PNG images.Read 8 Oct 2026 · umlgen.com

Installation

The site says UMLGen requires no installation, plugin, or IDE.Read 8 Oct 2026 · umlgen.com

Price

The site describes the core diagramming features as free forever, with no export limits.Read 8 Oct 2026 · umlgen.com

Text-to-diagram

UMLGen converts plain-English system descriptions into diagrams without requiring special syntax.Read 8 Oct 2026 · umlgen.com

Plans and prices

Every UMLGen plan and price →

Where Specifiction places it

• UML Modeling Software#21 of 266.9