The Best 34 HTTP Debugger Alternatives

  • Fiddler icon

    Fiddler

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

    Free Windows

  • Google Chrome Developer Tools icon

    Google Chrome Developer Tools

    The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome.

    Free Open Source Mac OS X Windows Linux Chrome

  • Charles icon

    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

  • Zed Attack Proxy icon

    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

  • NetworkMiner icon

    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 icon

    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 icon

    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 icon

    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) icon

    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 icon

    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 icon

    HTTP Headers

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

    Free Mac OS X Windows Linux

  • RESTed icon

    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 icon

    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