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Fiddler Everywhere is the next generation of Fiddler, and it's getting a new user interface and user experience to make your web and desktop network debugging on macOS, Linux, and Windows even easier.

Fiddler Classic : you know it, you love it. Some of you have even been using it for 15+ years! This venerable network debugging tool for desktop and web apps remains one of the most popular products in the Telerik portfolio for good reason: it just works.

But one of the top feature requests we have repeatedly received is to provide a compatible version for macOS and Linux. And that's precisely where Fiddler Everywhere comes in!

Fiddler Everywhere is the next generation of Fiddle Classic. It was built from the ground up to work in a cross-platform manner for macOS, Linux, and yes of course, Windows.

In the coming weeks and months you're going to see a lot of activity from the Fiddler team in relation to Fiddler Everywhere. We have some exciting plans in place for feature additions, expansions, and improvements. Today though, I'd like to specifically call out the new user experience. 

The NEW Fiddler Everywhere UI

Here's a look at the new UI of Fiddler Everywhere:

new fiddler everywhere ui

The Fiddler team is working on moving from the relatively antiquated Fiddler Everywhere UI we have today (for example, what you see below):

old fiddler everywhere ui a much more engaging and intuitive experience!

New UX == New Features

Along with a new UX comes a variety of new and improved features as well. For instance, to make it easier for you to manage multiple concurrent sessions and tasks, we are introducing a tabbed interface. 📑

fiddler everywhere tabbed ui

Improved filtering options will make it easier for you to see only the requests you want, when you want them. 🔽

fiddler everywhere filters

You can view a history of your saved sessions and request history, and easily access them. 📜

fiddler everywhere saved sessions

The AutoResponder feature has been updated and renamed to Rule Builder as of July 2021.

And the Auto Responder feature is getting some major improvements in its UX and functionality, allowing you to more easily debug a variety of network scenarios with your web and desktop apps.

Need to test what happens when your CDN goes down? Want to swap in some local assets in place of remote files to see how your production site reacts? Auto Responder to the rescue! ⛑️

fiddler everywhere auto responder

We even have a brand new collaboration feature coming out, but you'll have to attend our webinar to find out more. 🤫

Try Fiddler Everywhere

We welcome you to download a trial of Fiddler Everywhere for free today and get a head start on some of these features.

Rob Lauer is a Product Manager for Telerik
About the Author

Rob Lauer

A maker at heart and a supporter of the open web, Rob is Developer Relations Lead at Blues Wireless. You can find Rob rambling incoherently on Twitter @RobLauer.

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