HTTP Headers is described as 'Allows you to quickly see the HTTP header information for the current URL' and is a Web Debugger in the web browsers category. There are more than 10 alternatives to HTTP Headers for a variety of platforms, including Windows, Linux, Mac, Mozilla Firefox and iPhone apps. The best HTTP Headers alternative is Fiddler, which is free. Other great apps like HTTP Headers are HTTP Toolkit, Charles, Proxyman and Requestly.
Web Debugging Proxy that logs all HTTP(S) traffic for comprehensive analysis. It allows manipulation of traffic, supports scripting, and extends with .NET. Debugs virtually any application, implementing man-in-the-middle interception with self-signed certificates. Freeware, ideal for developers.
HTTP Toolkit is a 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.
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. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).
Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains. Available on macOS, iOS, Windows & Linux.
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.
HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers.
HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.
The goal of this project is to adds information about the HTTP headers in three ways:
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.
Working quietly on the Menubar, Surge is a high-performance HTTP/SOCKS5 proxy server. It is capable of intercepting and logging the summary of HTTP traffic, and meanwhile transmitting the traffic to other proxy servers according to the flexible rule system.
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