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.

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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.

Fiddler on the Roof is a musical with music by Jerry Bock, lyrics by Sheldon Harnick, and book by Joseph Stein, set in the Pale of Settlement of Imperial Russia in or around 1905. It is based on …

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

Welcome to the GitHub repo for Fiddler Documentation. This repository contains the source content--written in Markdown--that we use to power the Fiddler Classic Documentation at …

Fiddler Everywhere is a modern, easy-to-use web debugging proxy tool for Windows, macOS and Linux which captures, logs, monitors and inspects all HTTPS traffic, allowing you detailed visibility into …