Fiddler is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Charles. It's not free, so if you're looking for a free alternative, you could try mitmproxy or HTTP Toolkit. If that doesn't suit you, our users have ranked more than 50 alternatives to Fiddler and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Fiddler are Burp Suite, Proxyman, Zed Attack Proxy (ZAP) and NetworkMiner.
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).
mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly. It also features mitmdump, a commandline tool that provides a tcpdump-like interface for saving, viewing and...
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.
Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting...
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.
The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can extract transmitted files and certificates from PCAP files containing HTTP, FTP, SMB, SMB2, TFTP and several other protocols.
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.
API testing tool. Which allows web developers to create and test custom HTTP requests.
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.
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It doesnt log outgoing and incoming requests.