SwimLanes
Swimlanes.io creates sequence diagrams from text in a browser and lets users download diagrams or share them through links.
About SwimLanes
SwimLanes is a web app for creating sequence diagrams from text. Users edit text and the diagram updates in real time. Diagrams can be downloaded as images or shared by copying the link. The link changes whenever the diagram is updated, and signing in allows collecting diagrams in an account.
Key features
- Create sequence diagrams from text input
- Update diagrams in real time while editing
- Download diagrams as images
- Share diagrams by copying link
- Sign in to collect diagrams in account
Best for: People who need to create sequence diagrams from text in a browser.
Good for
- Diagram updates in real time from text edits
- Diagrams can be downloaded as images
- Diagrams can be shared through links
Watch out for
- Shared URL changes whenever the diagram is updated
SwimLanes at a glance
- Website
- swimlanes.io
- Category
- Design & Creative › Charts & Data Visualization
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Charts & Data Visualization
SwimLanes alternatives
Tools and sites you could use instead, ranked by how closely they match.
UMLet provides free, open source UML drawing with a simple interface for making diagrams, including sequence and activity diagrams.
PlantText provides an online editor for PlantUML code and generates class, sequence, activity, and state diagrams.
Mermaid generates diagrams such as flowcharts and sequence diagrams from text using syntax similar to Markdown.
Open source
24 alternatives
Dia is free, open source drawing software for structured diagrams, with downloads, shapes, and documentation.
Mermaid Live Editor creates charts and diagrams from text using Mermaid’s markdown-like syntax in a browser.
DiagramGPT generates diagrams from text prompts, with the project page describing diagram workflows for teams.
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SwimLanes FAQ
How do I update the diagram?
Edit the text and the diagram is updated in real time.
How do I save or share a diagram?
Copy the URL to save or share the diagram. The URL changes whenever you update the diagram, or sign in to create an account and collect your diagrams.
Can I download my diagram?
Yes, you can download sequence diagrams as images.
Is something wrong or out of date?
Tell us and an editor will check it.
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