XK72 Ltd.

XK72 Ltd. develops Charles Web Debugging Proxy, a cross-platform application for Windows, macOS, and Linux. The software captures and displays HTTP and HTTPS traffic—including requests, responses, headers, and cookies—to help developers and testers troubleshoot web and mobile application communications. It also supports reverse proxy functions, SSL/TLS traffic inspection, and network-condition simulation. The vendor’s website provides documentation, downloads, purchasing information, and support resources.