C# Debug Visualizer
December 8, 2025 · View on GitHub
C# Debug Visualizer is a lightweight, free, and easy-to-use Visual Studio Code extension for visualizing C# variables during debugging including complex types such as DataTable, DataRow, and DataColumn. It enhances your debugging workflow by offering clean, interactive visualization features right inside VS Code.
Installation
- Open Extensions in VS Code.
- Search for “C# Debug Visualizer”.
- Install the extension, no additional setup required.
You're now ready to visualize C# variables instantly during debugging.
Features
Visualize Variables Instantly
Supports visualization of most system-defined data types, including:
- Primitive types (int, string, bool, etc.)
- Arrays
- DataTable, DataRow, DataColumn (from System.Data)
How to use:
- Place your cursor on the variable
- Right-click and then Visualize or
press
Shift + Alt + V
Word Wrap for Long Outputs
Long output? Enable Word Wrap with one click to improve readability.
One-Click Copy to Clipboard
Copy full visualized output to clipboard effortlessly.
DataTable Viewer with Pagination
View large DataTables comfortably with built-in pagination.
Export DataTable to CSV
Save DataTable results directly as a CSV file with Save As CSV.
Native VS Code Search Support
Use Ctrl + F inside the viewer to search through the output.
Requirements
No external dependencies required. Simply ensure:
- You are using Visual Studio Code
- Your C# application is running in Debug mode
Extension Settings
You can customize the UI to match your preferences through VS Code settings.
Example:
Available setting:
| Setting | Description | Default |
|---|---|---|
csharpDebugVisualizer.colorTheme | Choose color theme according to your preference. | Oceanic Breeze |
csharpDebugVisualizer.recordsPerPage | Choose records per page for datatable variable type according to your preference. The higher number of records per page will take more time to load. | 10 |
Known Issues
This extension currently supports common and basic .NET types such as:
- Primitives
- Arrays
- DataTable, DataRow, DataColumn
Future versions will expand support for additional data structures. If you encounter issues or unsupported types, feel free to reach out, this is an early version and your feedback helps us improve.
Release Notes
Refer to the CHANGELOG for detailed version history.