UML Diagram Maker
Also available in ClickUp
Need more than a free tool? Try ClickUp Whiteboards
This free tool gives you a quick way to create standalone UML diagrams. ClickUp Whiteboards does everything this tool does and more, with infinite canvas space, real-time team collaboration, direct integration with your tasks and docs, and advanced diagramming features for ongoing projects.
Learn more about ClickUp WhiteboardsSOFTWARE DESIGN TOOLS
Diagram Without the Hassle
Professional UML diagrams in minutes, not hours
Instant Start, Zero Friction
No account creation, no downloads, no waiting. Click and start diagramming immediately with an intuitive drag-and-drop canvas. Your first diagram is just seconds away.
Complete Privacy Guaranteed
All diagrams are saved locally in your browser. Nothing is uploaded to servers or stored in the cloud. Your system designs stay private and under your control.
Export Anywhere
Download your diagrams as high-resolution PNG images, scalable SVG vectors, or JSON files for re-editing later. No export limits, no paywalls, no restrictions.
WHAT YOU CAN CREATE
Four Essential UML Diagram Types
Everything you need for software design and documentation
Model the structure of your system by designing classes, attributes, methods, and relationships. Essential for object-oriented design, database planning, and API architecture. Add properties, define visibility modifiers, and connect classes with associations, inheritance, and dependencies.
Model the structure of your system by designing classes, attributes, methods, and relationships. Essential for object-oriented design, database planning, and API architecture. Add properties, define visibility modifiers, and connect classes with associations, inheritance, and dependencies.
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ClickUp [Tool Name] vs Other Tools
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| Feature |
ClickUp
Free
|
Competitor A
|
Competitor B
|
Competitor C
|
|---|---|---|---|---|
| Lorem ipsum dolor | Yes | Consectetur | Yes | Adipiscing |
| Consectetur adipiscing | Yes | Yes | Limited | Sed diam |
| Sed do eiusmod | Free | Tempor | No | Incididunt |
| Ut labore et dolore | Yes | Magna aliqua | No | Veniam |
| Quis nostrud exercitation | Full platform | Yes | No | No |
Lorem ipsum dolor
ClickUp
Yes
Competitor A
Consectetur
Competitor B
Yes
Competitor C
Adipiscing
Consectetur adipiscing
ClickUp
Yes
Competitor A
Yes
Competitor B
Limited
Competitor C
Sed diam
Sed do eiusmod
ClickUp
Free
Competitor A
Tempor
Competitor B
No
Competitor C
Incididunt
Ut labore et dolore
ClickUp
Yes
Competitor A
Magna aliqua
Competitor B
No
Competitor C
Veniam
Quis nostrud exercitation
ClickUp
Full platform
Competitor A
Yes
Competitor B
No
Competitor C
No
The More You Know
Frequently Asked Questions
Everything you need to know about creating UML diagrams with our free tool
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