Charles for Mac4.6.1

Charles is on V3.11.2 https://www.charlesproxy.com/documentation/version-history/

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Excellent tool. I don't use Charles much, but it's wonderful knowing I have it when I need it. The developer is also very responsive.

The developer site is showing 3.8.1

This truly is an excellent tool for anyone needing an array of testing options at their disposal. It works flawlessly and does a nice job at breaking down requests and responses in a multitude of ways. The only thing lacking is more in depth documentation, although with it doesn't hinder the functionality of this excellent application.

I've been using Charles daily for more than a year now, and just realized that I've never reviewed it here. So to correct this omission: If you make your living creating Web applications, you REALLY should be using Charles. It takes all guesswork out of the interaction between server and browser -- simple GET/POST requests, SSL transactions, Ajax, XML, Rest, SOAP, Flash (even AMF calls), anything -- and shows you exactly what is transpiring when your users interact with your site or service. The best part: It works regardless of which browser you use (in fact, depending on your network settings for a virtual machine, you can even debug using IE in a VM window). You start taking the view for granted, and eventually you'll find you can also edit requests, optimizing your applications to ensure you only get/send the data you need. Firebug, which I used extensively before trying Charles, will soon seem "quaint" -- and woefully underpowered.

Amazingly useful tool for debugging applications that run any http requests. It's well-polished and has a nice intuitive interface. Even though it's a Java app, they did a great job making the UI look almost native.