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.

Fiddler Web Debugger is a serviceable web debugging proxy for logging all HTTP (S) traffic linking your computer to the internet, allowing for traffic inspection, breakpoint setting, and more.

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 …

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, …

A fiddle is a bowed string musical instrument, most often a violin or a bass. [1] Fiddle is a colloquial term for the violin, used by players in all genres, including classical music. Although …

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’s advanced analysis tools enable users to inspect headers, payloads, and timing information for individual requests, facilitating in-depth troubleshooting and performance …

Fiddler is a Web Debugging Proxy which logs all HTTP (S) traffic between your computer and the Internet. Fiddler allows you to inspect traffic, set breakpoints, and "fiddle" with incoming or …

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 …