Learn how to install the tool, start a trial, activate your license, and add source code symbols to your diagrams.
Help Topics
- Getting Started
- Using the Diagram Tool
- Diagram Elements and Notation
- Troubleshooting
Page Overview
- Supported Visual Studio Versions
- Installation
- Activating a License Key or Starting a Trial
- Limited Mode
- Adding Diagram Items from a Source Code Editor Window
- Adding Diagram Items from Solution Explorer
- Visual Studio 2019: version 16.11.12 or later
- Visual Studio 2022: version: 17.14.10 or later
- Visual Studio 2026: version: 18.2.1 or later
All Visual Studio editions are supported: Community, Professional, and Enterprise.
- Open Visual Studio and go to Extensions | Manage Extensions.
- Select the Browse tab, type "Codartis" in the search box, and press Enter.
- On the right side panel, click Install.
- Restart Visual Studio to complete the installation.
- Download the Codartis Diagram Tool VSIX file from the Visual Studio Marketplace:
- Double-click the downloaded VSIX file and follow the installer instructions.
- If you encounter permission errors, see the Troubleshooting page or install via Visual Studio.
Note: Older versions are available here.
Note: Make sure a solution is open in Visual Studio. Codartis Diagram Tool may not be available otherwise. See the Troubleshooting page for details.
- In Visual Studio, open the Codartis Diagram Tool window via View | Other Windows | Codartis Diagram Tool
- Or use the keyboard shortcut: CTRL+SHIFT+D, CTRL+SHIFT+D
- On the Codartis Diagram Tool panel:
- To activate a license, click Activate, enter your license key, and press OK.
- To start a 30-day trial, click Start Trial.
To purchase a license, visit: codartis.com
If the tool is not activated and no trial is running (or the trial has expired), it operates in Limited Mode:
- You can load, view, and rearrange diagrams.
- Adding items or saving diagrams is disabled.
Activate a license or start a trial to unlock all features.
Right-click a type or member name and select one of:
- Add to Codartis Diagram
- Add to Codartis Diagram With Hierarchy
Place the caret on a type or member name, then use:
- Adding an item: CTRL+SHIFT+D, CTRL+SHIFT+A
- Adding an entire type hierarchy: CTRL+SHIFT+D, CTRL+SHIFT+H
- Drag items from Solution Explorer to the Codartis Diagram Tool window.
- Right-click a file, folder, project, solution folder, or the solution node in Solution Explorer, then select Add to Codartis Diagram.
Tip: Avoid adding too many items at once (e.g., entire projects), as diagrams may become cluttered or slow. Around 50 items is a practical limit.


