The Best 39 Fiddler Alternatives

  • Charles

    Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet.

    Commercial Mac OS X Windows Linux

  • mitmproxy

    mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly.

    Free Open Source Mac OS X Windows Linux

  • Zed Attack Proxy

    The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.

    Free Open Source Mac OS X Windows Linux

  • Advanced REST Client (ARC)

    API testing tool. Which allows web developers to create and test custom HTTP requests.

    Free Open Source Mac OS X Windows Linux Chrome OS Chrome Chromium Chrome Web Store

  • NetworkMiner

    NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open ports etc.

    Freemium Windows

  • apptalk.ninja

    App and device communication diagnostics tool for better bug tracking & QA. An easy-to-use tool that monitors http, BLE and iBeacon communication over-the-air helping app developers with bug tracking and building more reliable apps.

    Freemium iPhone iPad

  • HttpWatch

    HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's...

    Commercial Windows Firefox

  • Live HTTP Headers

    The goal of this project is to adds information about the HTTP headers in three ways: First by adding a 'Headers' tab in 'View Page Info' of a web page.

    Free Mac OS X Windows Linux Firefox

  • Live HTTP Headers (Chrome)

    Monitor all HTTP/HTTPs traffic from your browser. Live HTTP Headers logs all HTTP traffic between Google Chrome and the Internet. This extension can be helpful if...

    Free Mac OS X Windows Linux Chrome

  • Graphical HTTP Client

    HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.

    Commercial Mac OS X

  • HTTP Headers

    HTTP Headers allows you to quickly see the HTTP header information for the current URL.

    Free Mac OS X Windows Linux

  • HTTP Debugger

    HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers

    Commercial Windows

  • HTTPScoop

    HTTP Scoop is a Mac network sniffer that displays requests to websites along with the response, and makes it fairly easy to see what's going on.

    Commercial Mac OS X

  • RESTed

    RESTed allows developers to quickly format and make HTTP requests and view the response. RESTed supports both basic HTTP authentication and OAuth. RESTed shows...

    Commercial

  • GraphicalHttpClient

    Graphical Http Client is a utility to help you test and interact with REST-based web services. It is lightweight, easy-to-use, and has the following features: - Set...

    Commercial