Apps for all platforms with any license

Platforms

Desktop

Show 18 less popular platforms
  • Fiddler

    Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet.

     

    Fiddler icon

    Free Windows

  • 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.

     

    Charles icon

    Commercial Mac Windows Linux

  • Firefox Developer Tools

    Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

     

    Firefox Developer Tools icon

    Free Open Source Mac Windows Linux Firefox

  • HttpFox

    HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like HttpWatch or IEInspector to the Firefox browser.

     

    HttpFox icon

    Free Mac Windows Linux Waterfox Pale Moon

    • Discontinued The project is no longer developed. Last version, 0.8.14.1, released in May 2014, is not compatible with Firefox, but the extension still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
  • WebScarab

    There is no shiny red button on WebScarab, it is a tool primarily designed to be used by people who can write code themselves, or at least have a pretty good understanding of the HTTP protocol.

     

    WebScarab icon

    Free Open Source Mac Windows Linux

    • Discontinued Inactive OWASP project. You can use the newer Edition(s) like OWASP https://alternativeto.net/software/zed-attack-proxy/
  • 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.

     

    Live HTTP Headers (Chrome) icon

    Free Mac Windows Linux Chrome

    • Warning Suspected of distribute adwares, even after removing the extension
  • HTTP Headers

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

     

    HTTP Headers icon

    Free Mac Windows Linux

    • Warning Suspected of distribute adwares, even after removing the extension
  • HTTP Debugger

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

     

    HTTP Debugger icon

    Commercial Windows

  • Surge for Mac

    Working quietly on the Menubar, Surge is a high-performance HTTP/SOCKS5 proxy server.

     

    Surge for Mac icon

    Commercial $ $ $ Mac iPhone iPad

  • RootCause

    Monitor and reproduce errors in web sites/applications. Using the built-in recorder feature you’ll know exactly what the user did. This means you don’t have to read call stacks or parse through huge logs to be able to reproduce bugs.

     

    RootCause icon

    Freemium $ $ $ Mac Windows Web Self-Hosted

  • Proxy.app

    Proxy.app is the perfect tool for debugging and analysing both HTTP requests and responses and modify data in transit.

     

    Proxy.app icon

    Commercial $ $ $ Mac

  • James

    James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from the browser. It is an open-source alternative to the popular developer tool Charles.

     

    James icon

    Free Open Source Mac Windows Linux React Electron / Atom Shell Node.JS

  • DebugView

    DebugView is an application that lets you monitor debug output on your local system, or any computer on the network that you can reach via TCP/IP.

     

    DebugView icon

    Free Windows PortableApps.com

  • http://req

    httpreq.com allows you to record and inspect http requests via a unique endpoint. Useful for debugging webhooks, chat-bots and other APIs.

     

    http://req icon

    Free Web

  • Moesif

    Log and analyze HTTP requests. Makes debugging REST APIs and integrated apps easier.

     

    Moesif icon

    Commercial Mac Windows Linux Android SDK Ruby C# Python .NET Framework ... iOS JavaScript Django Go (Programming Language) Java Node.JS

  • Rest Client

    Rest Client feature rich rest client for developers to debug and test their RESTful web services. It can be used to request a URL using the following HTTP methods: GET, POST, PUT, DELETE, HEAD, PATCH, COPY, SEARCH, OPTIONS.

     

    Rest Client icon

    Commercial Mac

  • Omnibug

    Omnibug is a plugin for the Google Chrome and Mozilla Firefox browsers to ease developing and debugging web metrics implementations.

     

    Omnibug icon

    Free Open Source Mac Windows Linux Chrome Firefox

  • Chrome Logger

    Chrome Logger is a Google Chrome extension for debugging server side applications in the Chrome console.

     

    Chrome Logger icon

    Free Open Source Mac Windows Linux Self-Hosted Chrome Firefox