Fiddler Everywhere: The Web Debugging Proxy Tool Loved by Users Just Got Better
Log all HTTP(S) traffic between your computer and the Internet.
Inspect traffic, set breakpoints, and
fiddle with request/response.
Looking for Fiddler Classic? Download it here
What is Fiddler Everywhere?
Fiddler Everywhere is a web debugging proxy for any browser, any application, any process. Log and inspect all HTTP(S) traffic between your computer and the Internet, mock requests, and diagnose network issues. Fiddler Everywhere is available for macOS, Windows, and Linux.
What Has Improved?
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Refreshed UI
Fiddler Everywhere takes Fiddler to a whole new level. We've completely revamped the entire user experience to make your tasks simple and more intuitive.
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Improved Composer
The revamped composer makes it easy to quickly compose and test any API requests and easily group and organize the requests.
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Request and Response Mocking (Auto Responder)
Auto Responder gets a major update so you can effortlessly create and organize Auto Responder rules into groups.
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Collaborate With Your Team
Collaboration is easy in Fiddler Everywhere — no more manually exporting sessions or sending the captured traffic through email. Fiddler Everywhere lets you save captured traffic, add comments and share it with your colleagues — all without switching context.
500,000 Companies Are Using Fiddler Today
Join these companies and more than 10 million developers who are already building, running,
and debugging with Fiddler.
Where and How to Use Fiddler Everywhere
Web Debugging
Debug traffic from macOS, Windows, or Linux systems and iOS or Android mobile devices. Ensure the proper cookies, headers, and cache directives are transferred between the client and server. Supports any framework, including .NET, Java, Ruby, etc.
Request & Response Mocking
Mock or modify requests and responses on any website. It’s a quick and easy way to change the request and responses to test websites without changing code.
HTTP/S Traffic Recording
Use Fiddler Everywhere to log all HTTP/S traffic between your computer and the Internet. Debug traffic from virtually any application that supports a proxy—Chrome, Safari, Firefox, Opera, Edge, and more.
Team Collaboration
Collaborate with your team by sharing captured traffic with the click of a button. Add more context by marking/highlighting the sessions, adding comments, and sharing the captured sessions over the cloud to collaborate with your teammates.
Additional Fiddler Tools
There’s a Fiddler for Just About Every Need
Fiddler Classic
Original Fiddler Web Debugger tool — feature rich, functional and supported only on Windows
FiddlerCore
The power of Fiddler in your app. A .NET library that allows you to capture and modify HTTP and HTTPS traffic.
Fiddler Cap
A lightweight companion tool to capture web traffic from end-users or from customer environments.
There’s a Reason Why We’re the
No. 1 Choice for so Many Developers
G2.com User Reviews
Fiddler is used by tens of thousands of users daily and they love it!
Don’t just take our word for it. G2 Users have consistently rated Fiddler 4.4 out of 5 stars. G2 is a renowned peer-to-peer review site that aggregates user reviews for business software.
Users of G2.com provide unbiased user reviews after they objectively access business software.
5 star
91
4 star
33
3 star
14
2 star
1
1 star
0
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