Fiddler is a web debugging proxy tool for Windows, macOS and Linux. It has evolved from Fiddler Classic into a more robust and versatile product - Fiddler Everywhere.

Your Fiddler Everywhere app should open automatically. If that doesn't work, click here. Don’t have Fiddler Everywhere?

May 14, 2025 · Fiddler is a free web proxy which supports HTTP and HTTPS traffic while providing a platform for debugging with an array of advanced features and data display. With the application, you …

Fiddler is a web debugging tool that allows you to monitor and modify HTTP and HTTPS traffic between your computer and the internet. It’s an invaluable tool for developers, QA engineers, and anyone …

Fiddler Everywhere is a high-performance, cross-platform web debugging proxy for any browser, system or platform. It is a web debugging tool that logs all HTTP (S) traffic between your computer and the …

Want to have Fiddler automatically rewrite requests and responses, add or remove headers, or flag/ignore sessions based on rules you specify? Check out the FiddlerScript Cookbook.

The Central Chapter Fiddlers (CCF) are comprised of members from Central New York State and the southern Tug Hill region, including Oneida, Madison and parts of Oswego, Onondaga and Lewis …

Welcome to the Fiddler Wiki. Thanks for your help in contributing to the Fiddler community. To edit a page, click the Edit button. The Wikidot language is easy to learn.

Fans of traditional folk and contemporary country music alike will revel in the sweet sounds of a Fiddler. Book one to play a live show at your next event: weddings, birthdays, festivals, and more.

Download and install Fiddler Classic web debugging tool. Watch a quick tutorial to get started.