
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).
Charles 4 was a major update to Charles 3, and it is a paid upgrade. Please download a trial of Charles 4; we think you're going to love it! If you would like to continue using Charles 4, you will need to purchase a license upgrade.