Charles is a simple web proxy that you can run on your Mac to have an intermediary between your browser (or any app that accesses the network) and the Internet server itself.
Getting started with Charles is easy
What makes Charles such an interesting tool is that you don't have to perform complicated technical configurations in order to use it. As such, the proxy will auto-configure a few seconds after installing. When you first use it, Charles will request permission to automatically adjust your Mac's network settings. This means all traffic will pass through the app without you having to manually adjust the system parameters. If you use Firefox, you can also install a specific add-on to facilitate its integration.
Total visibility of your connections
When you open Charles, the program will immediately start recording all network traffic, organizing it into a data tree that is accessible for each host visited. This complete visibility is one of the tool's greatest strengths as it eliminates the usual barriers of web development. In fact, you can inspect each event in detail with great ease, exploring requests and responses or analyzing headers and message bodies in JSON or XML format to diagnose communication errors.
Active debugging of apps
Charles also features "SSL Proxying" to view secure traffic in plain text, the simulation of slow connections for performance testing, and the ability to intercept, edit, and repeat requests using "breakpoints." This allows you to validate changes in the backend and test different data inputs without having to constantly reload the page in the browser.
Download Charles for Mac and analyze HTTP traffic in the fastest, safest, and most efficient way.
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