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.

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 …

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 …

Dec 3, 2024 · Fiddler is a third party Telerik’s tool used to log, inspect, and alter HTTP and HTTPS traffic between a computer and a web server or servers. It is not our product, this …

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 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, …

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.

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

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 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 …