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
4 Like Live HTTP Headers (Chrome) Alternative? YES NO 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 Windows Linux Chrome HTTPS Support Add a feature Warning Suspected of distribute adwares, even after removing the extension
3 Like HTTP Debugger Good alternative? YES NO HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers Commercial 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
2 Like HTTP Header Live Good alternative? YES NO Displays the HTTP header. Edit it and send it. Free Open Source Windows Web Firefox Firefox extension 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
10 Like apptalk.ninja Good alternative? YES NO 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... Freemium iPhone iPad Network Monitoring Add a feature
4 Like HTTP Headers Alternative? YES NO HTTP Headers allows you to quickly see the HTTP header information for the current URL. Free Mac Windows Linux Google Chrome extension Add a feature Warning Suspected of distribute adwares, even after removing the extension
