Fiddler Classic

Free web debugging proxy for Windows

About Fiddler Classic

Fiddler Classic is a free web debugging proxy that logs HTTP and HTTPS traffic between a computer and the internet. Developers use it to inspect requests, replay sessions, set breakpoints and simulate slow connections when testing web applications. For everyday users and professionals alike, it offers a focused and dependable way to get this work done without complicated setup steps or bloated, expensive software suites.

Fiddler Classic key facts

Category: Developer Tools
Pricing: Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas: proxy, http, debugging
Official site: telerik.com

About the Developer Tools category

Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 738 tools. Alongside Fiddler Classic, it includes Charles Proxy, Proxyman, VirtualBox, VMware Workstation Pro.

FreeDeveloper Toolsproxyhttpdebugging

More in Developer Tools

Comparing tools in the Developer Tools category? These related listings are worth a look: Charles Proxy — HTTP proxy and monitor for developers; Proxyman — Modern web debugging proxy for macOS; VirtualBox — Run other operating systems in a window.