550 Like Firebug Good alternative? YES NO Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript... Free Open Source Mac Windows Linux Firefox Firefox extension Add a feature Discontinued The Firebug extension isn't being developed or maintained any longer. The team advised to use the built-in https://alternativeto.net/software/firefox-developer-tools/ , which ship with Firebug.next Last version of Firebug, 2.0.18, released October 7, 2016, is still compatible with Firefox, but only if the browser's multi-process architecture is not enabled.
152 Like Fiddler Good alternative? YES NO 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... Free Windows No features added Add a feature
127 Like Google Chrome Developer Tools Alternative? YES NO 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 Windows Linux Chrome HTTPS Support Add a feature
53 Like Postman Good alternative? YES NO Postman helps you be more efficient while working with APIs. Postman is a scratch-your-own-itch project. The need for it arose while one of the developers was creating... Freemium Mac Linux Web Chrome OS Chrome Google Chrome extension Add a feature
18 Like Firefox Developer Tools Alternative? YES NO Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile. Free Open Source Mac Windows Linux Firefox Based on Firefox Add a feature
13 Like Advanced REST Client Good alternative? YES NO The web developers helper program to create and test custom HTTP requests. Advanced REST client for Google Chrome. Free Open Source Chrome OS Chrome Chromium Chrome Web Store REST API Add a feature
19 Like Paw Good alternative? YES NO Easily craft your HTTP requests, try them, archive them. Setup HTTP Headers, URL parameters, form-encoded POST key-values or text. Get easy-to-read responses with well... Commercial Mac Great soundtrack Html parsing Request Chaining Add a feature
20 Like Insomnia REST Client Good alternative? YES NO A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux. Freemium Mac Windows Linux Separated workspaces Cloud sync Configurable request timeout Import Curl commands Support for Keyboard Shortcuts Image Preview ... REST API SSL client certificates Support environment variables SVG Support Add a feature
6 Like RESTClient Good alternative? YES NO RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities. Free Open Source Mac Windows Linux No features added Add a feature
4 Like HttpRequester Good alternative? YES NO A tool for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions. Free Open Source Mac Windows Linux Firefox Firefox extension REST API Add a feature
3 Like RESTer Good alternative? YES NO A REST client for almost any web service (Firefox and Chrome extension). Free Open Source Mac Windows Linux Chrome Firefox Google Chrome extension Firefox extension Add a feature
9 Like NetworkMiner Good alternative? YES NO 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... Freemium Windows No features added Add a feature
10 Like StopLight Good alternative? YES NO APIs are essential to every online business. StopLight helps companies manage their API lifecycle. Our visual modeling solution removes the massive amount of manual... Free Personal Mac Windows No features added Add a feature
9 Like HttpFox Good alternative? YES NO 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... Free Mac Windows Linux Firefox Customer Analytics Static analysis Web log analysis Add a feature
6 Like HttpWatch Good alternative? YES NO 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 No features added Add a feature
