diagrams.net is a versatile application that can be used offline in a number of ways - as a stand-alone desktop application, as a progressive web application (PWA), or as a Chrome web app.

Use diagrams.net desktop

diagrams.net desktop is a free standalone application that runs on Windows, MacOS and Linux.

Creating diagrams in the desktop app doesn’t need an internet connection. This is useful when you have to create diagrams where data protection is important.

Download the diagrams.net desktop application - choose the installer that matches your operating system.

Learn more about diagrams.net desktop

Use diagrams.net offline as a progressive web app

When you go to app.diagrams.net in your web browser on your computer or mobile device, and load a diagram, you can continue working on it even if you disconnect from the internet.

As app.diagrams.net runs as a progressive web app (PWA), after the editor and your diagram have been loaded via your internet connection, you can safely disconnect from the internet and continue to work on the diagram.

Depending on where you you have chosen to save your diagram, you may need to reconnect before closing that browser tab.

Note: The following features are not available without an internet connection.

  • Load, save or export diagrams to cloud storage platforms, or autosave your diagram.
  • Convert diagrams to PDF and image file formats.
  • Create a new diagram from a template or insert a template diagram.
  • Search for and use the online clipart shapes.
  • Insert from PlantUML to auto-generate a UML diagram, or use mathematical typesetting.
  • Use fonts such as Google fonts and *.woff files that are hosted online.
  • Use the online help.

Use the diagrams.net Chrome app offline

The diagrams.net Chrome app runs in a simplified version of the Chrome browser on Chromebooks using ChromeOS, as well as on the following operating systems: Android, Windows, MacOS, iOS, Linux - in fact, anywhere the Chrome browser can run.

If you are using ChromeOS on a Chromebook, you can use your Chrome apps offline. If you aren’t using ChromeOS, you’ll need an active internet connection to use the diagrams.net Chrome app.

Learn more about the diagrams.net Chrome app

Stop merged changes

If you only want to stop changes made to your diagrams being merged automatically, and not completely disconnect from your internet connection, disable the synchronize feature.