HTTPNetworkSniffer

packet sniffer tool that captures all HTTP requests/responses sent between the Web browser and the Web server and displays them in a simple table

21 Alternatives To HTTPNetworkSniffer

Charles

HTTP proxy / HTTP monitor / Reverse Proxy

Ethereal

Ethereal® is used by network professionals around the world for troubleshooting, analysis…

Ettercap

Ettercap is a suite for man in the middle attacks on LAN.

Fiddler

Fiddler is a debugging program for websites.

GTmetrix

GTmetrix is a free tool that analyzes your page’s speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

Google Lighthouse

Lighthouse is an open-source, automated tool for improving the quality of web pages.

Live HTTP Headers

The goal of this project is to adds information about the HTTP headers in three ways:

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.
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Pappy Proxy

An intercepting proxy for web application testing

Postman Collections

Biggest library of ready-made API collections for Postman

Proxyman

An modern and intuitive HTTP debugging proxy on macOS & iOS https://proxyman.io
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Site Relic

Find out how much time take to load your site from multiple location across devices.

Surge for Mac

Advanced Web Debugging Proxy for Mac & iOS
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WebPagetest

Run a free website speed test from multiple locations around the globe using real browsers…
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Wireshark

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Zed Attack Proxy

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding…

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
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neXpert

neXpert is an add-on to Fiddler Web Debugger which aids in performance testing web applications.

netcat

Netcat is a featured networking utility which reads and writes data across network connections…
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tcpdump

tcpdump is a common packet analyzer that runs under the command line.