



HTTP Toolkit is described as 'Beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools and automatic interception for clients from Docker to Android to iOS' and is a popular HTTP Client in the development category. There are more than 50 alternatives to HTTP Toolkit for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best HTTP Toolkit alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like HTTP Toolkit are Fiddler, mitmproxy, Hoppscotch and Burp Suite.




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




Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.




Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.






Online tool for inspecting and debugging HTTP requests and checking common cases like headers, gzip compression, HSTS implementations or HTTP redirects. Encode or decode base64 and URL encoding.


Fluxzy Desktop is a comprehensive HTTP debugger and Man-in-the-Middle (MITM) tool available for Windows, macOS, and Linux. It's tailored for developers and network professionals seeking in-depth web traffic analysis and manipulation. Key features include:



HTTP Analyzer is such a handy tool that allows you to monitor, trace, debug and analyze HTTP/HTTPS traffic in real-time. It is used by industry-leading companies including Microsoft, Cisco, AOL and Google.






The Zero Trust API Client - A Secure & Free Alternative to Postman , Insomnia & Thunder Client.




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 available as a free edition and a PRO version that cost money and has additional features.

