Find issues in .NET applications when seconds matter.

Loupe monitors .NET applications for issues and provides you with the most relevant information needed to fix them quickly.

Try It Free

Just need a free local log viewer?

  • The #1 .NET solution

    Built with .NET, for .NET from day one. No other solution gathers as much specific .NET detail, or provides the same level of out-of-the-box detail for your project

  • Magnify What Matters

    Why trawl through thousands of log files? Loupe automatically groups log events into issues so you can quickly identify bugs. Loupe helps you understand your applications usage and delivers insights into potential performance bottlenecks

  • Get up and running in minutes

    Already using NLog or Log4Net? Loupe is just as quick and easy to get going. Loupe requires nothing to be installed on your servers. Simply add our agent to your solution, insert a small code snippet and see live logging instantly!

  • Centralize to the Cloud or your Data Center

    We have a great SaaS solution out of the box, or we can provide a licensed on-premises solution to fit your compliance and governance needs.

  • Enterprise ready, zero impact

    Loupe has been engineered from the ground up to never let you down by slowing down or interfere with your software

  • See the headlines and the whole story

    To fix your problem fast, you need to navigate quickly and be able to drill into the detail, even down to the full stack trace

See All Benefits

We know that in the enterprise world, .NET is king. We’ve fine tuned Loupe towards the full .NET stack so we can provide you with the best possible experience. Loupe comes with out-of-the-box support for:

See All Applications

Loved by .NET Developers

“Loupe is an indispensable tool for us and even more important is the very positive feedback I get from our customers for being proactive in identifying issues and fixing them without the need of those cumbersome ‘I need your logs’ conversations”

Andreas Schneider, CEO

MFA Informatik AG

“We are a small team running a huge code base across many servers and environments. Without Loupe in the mix, we could never achieve the level of stability and issue resolution time we have. I can’t imagine our team without Loupe in the mix”

Chris Rajczi, Developer

Vision 2 Systems

“Our ERP software for the fashion industry is used by 500 companies around the world. Thanks to Loupe, we have dramatically reduced defects in our system and are much faster providing support to our customers. Most importantly, Loupe helps us identify and fix problems BEFORE our customers complain”

Shahin Kohan, President

AIMS 360
  • Morgan Stanley logo
  • Constellation logo
  • Mettler Toledo logo
  • Epsilon logo
  • Stadium One logo
  • Valutec logo

How we measure up

Free local log viewers like NLog and Log4Net only get you so far. Loupe lets you see the full story, not just the headlines

NLog/Log4Net (Free) Loupe Viewer (Free) Loupe Server / Cloud
API Yes Yes Yes
Store Partial Yes Yes
View No Yes Yes
Collect No No Yes
Analyze No No Yes
Manage No No Yes
See All Comparisons

Flexible configuration

Loupe was written for developers, by developers. We understand that what works for one client usually doesn’t fit the next. That’s why we’ve made Loupe available as a cloud service for convinience, as well as a licensable on-premise solution for security

Azure hosted SAAS platform

Private on-premises licensing

Rock solid centralized .NET logging

Unlimited applications, unlimited errors, starting at $25/month