Below follows a examples of all different sequence diagram UML elements supported by the editor.
Click the example sequence diagram images to append them to the diagram, hover to see the example script.
Adds a new participant into the diagram of type participant.
Shows the diagram as an image which can be right clicked and copied. The size of the image depends on the current zoom level.
Creates a link for sharing containing all the data of the diagram.
Open a source script text file directly from your hard drive or from the browsers local storage.
Save the source script as a text file directly to your hard drive or in the browsers local storage.
Save the diagram as a HQ png image. The size of the image depends on the current zoom level.
Save the diagram as a LQ jpg image. The size of the image depends on the current zoom level.
Save the diagram as a vector based svg image.
|Ctrl-S / Cmd-S||- Save source|
|Ctrl-M / Cmd-M||- Presentation mode|
|Ctrl-Space / Cmd-Space||- Autocomplete in source|
|Ctrl-F / Cmd-F||- Find in source|
|Shift-Ctrl-F / Cmd-Option-F||- Replace in source|
|Shift-Ctrl-R / Shift-Cmd-Option-F||- Replace all in source|
|Alt-G||- Go to line in source|
SequenceDiagram.org is a completely free online tool for creating sequence diagrams.
There are many sequence diagram tools out there but this is the only one which allows you to:
In other words bringing the best from both worlds. This makes it very easy to work with large diagrams where other similar tools struggle. It also doesn't have any ads or unnecessary distracting elements. (Even the top bar can be hidden to maximize the working area)
The tool is developed and maintained by people who create a lot of sequence diagrams in their daily work and from efficiency point of view weren't 100% satisfied with the existing tools. The graphic design is created by yusi.se.
If you have any question/comments/suggestions/bugs please contact email@example.com
No, all parsing and drawing of diagrams is executed solely on the client side in your browser. (The share URL button uses fragment '#' to transport the diagram data, which means that the data in the URL is dereferenced solely by the user agent, see https://tools.ietf.org/html/rfc3986#section-3.5 for details).
No, the codebase is currently not available under any open source license
No license is imposed by SequenceDiagram.org itself on the generated output. However, like with all images containing text, the fonts used might. The default font used in diagrams is the default sans-serif font selected by your browser. You can specify a different font using the fontfamily keyword, see help for more information. See LICENSE for details.
SequenceDiagram.org uses Cloudflare services to offer faster web page load times by serving content from locations closer to the user. One cookie is used supporting Cloudflare's security features. For details see: https://support.cloudflare.com/hc/en-us/articles/200170156-What-does-the-Cloudflare-cfduid-cookie-do-.
Yes, by donating 400$ you are licensed to run the SequenceDiagram.org tool and its REST-like API inside your company's network (enterprise license).
You are also eligible to receive any new published versions of the software for the duration of 1 year from the donation date.
Your donation is highly appreciated and allows us to keep SequenceDiagram.org online and free for everyone to use.
Please contact firstname.lastname@example.org for any questions.
The software is delivered in three formats: