Free .NET Local Log Viewer

Adding logging to your .NET application starts with an easy-to-use API. The Loupe Agent delivers on this in spades with simple methods for nearly any .NET logging scenario and options for sophisticated application metric gathering. If you already invested in another logging API that's no problem—you can forward data into Loupe to take advantage of everything the free .NET local log viewer offers.

Download Loupe Viewer (V4.0.3)

Add intelligent Tech-specific Monitoring

Our focus on .NET means we've implemented a range of agent extensions for technologies you're using in your application - like Entity Framework, ASP.NET MVC, and even desktop environments like WPF and WinForms. Add in our open source extensions (also available on NuGet) and you get smart logging and performance analysis without any effort.

Watch Your App While it Runs

Using the Loupe Viewer you can watch the log messages emitted by your application in real time while it's running. This will open up new debugging possibilities by walking through trace data without having to break your application's execution. If you have multiple processes that all have to work together it's even more helpful to peer into each one without even having to hook up the debugger and slow down your application.

Solve Problems by Seeing What Led up to Them

When developing you're going to have some unexpected behavior. Exceptions and bad results are par for the course when you're writing code. Between your logging and Loupe's agents you can see what happened leading up to each error to be sure you're fixing the real problems. Plus, you'll gain confidence that you can solve similar problems that may happen after you've deployed based on your log data.

The Loupe Client provides a powerful log viewer and more. It's free, easy to install (or deploy with your application), and a lot better than pawing through your data with a text editor or Excel.

Loupe makes it easy to highlight or filter messages by class, method, category or severity and shows the associated source code when a log message is selected in the Loupe Desktop viewer.  Log messages are integrated with metric graphs so that you can relate the point in time for any message with the metric values at that time.  And Loupe also provides powerful charting so you can, for example, create Pareto charts that identify performance problems.

Ready for more?

Local logging is just the start. Advanced applications and services need equally advanced logging to capture how they are being used in the wild. Learn how Loupe can help.

Learn More About Centralized .NET Logging