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Charles – HTTP Proxy / HTTP monitor / Reverse Proxy Web Proxy Debugging Software 4.6.2

Dec 4,2020 - Karl von Randow (Free)

56.7 MB (Safe & Secure)

Charles is a web proxy (HTTP Proxy / HTTP Monitor) that runs on your own computer. Your web browser (or any other Internet application) is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received.

In Web and Internet development you are unable to see what is being sent and received between your web browser/client and the server. Without this visibility, it is difficult and time-consuming to determine exactly where the fault is. Charles makes it easy to see what is happening, so you can quickly diagnose and fix problems.

Charles web debugging proxy makes debugging quick, reliable, and advanced; saving you time and frustration!

Charles Web Debugging Proxy

System Requirements

Operating System Windows: Windows 7, 8,10

Charles Web Proxy Software DownloadCharles Web Proxy Debugging Software Features

The following features are what I believe to be the key features of Charles. The best way to explore these features and to discover others is to download the free trial.

SSL Proxying

Charles can act as a man-in-the-middle for HTTP/SSL communication, enabling you to debug the content of your HTTPS sessions.

Bandwidth Throttling

Charles web debugging proxy simulates modem speeds by effectively throttling your bandwidth and introducing latency so that you can experience an entire website as a modem user might (bandwidth simulator).


Charles is useful for XML development in web browsers, such as AJAX (Asynchronous Javascript and XML) and XMLHTTP, as it enables you to see the actual XML that is flowing between the client and the server. Charles natively supports JSON, JSON-RPC, and SOAP; displaying each in a simplified tree format for easy viewing and debugging.


Charles is great for Adobe Flash developers as you can view the contents of LoadVariables, LoadMovie, and XML loads. Charles also has native support for Flash Remoting (AMF0 and AMF3).

Autoconfigure Browser & System Proxy Settings

Charles will autoconfigure your browser’s proxy settings on the following browsers:

  • Windows system proxy settings (includes Internet Explorer and most other applications)
  • Mac OS X system proxy settings (includes Safari and most other applications)
  • Mozilla Firefox (on all platforms)

More Features

  • AMF – view the contents of Flash Remoting / Flex Remoting messages as a tree
  • Repeat requests to test back-end changes
  • Edit requests to test different inputs
  • Breakpoints to intercept and edit requests or responses
  • Validate recorded HTML, CSS, and RSS/atom responses using the W3C validator

Pros and Cons of Charles

Pros Cons
Allows viewing of HTTP and reverse proxies Technical for non-developers
Views LoadVariables, XML Loads, etc Requires Java

Video Tutorial of Charles Web Proxy Debugging Software For PC

Charles Proxy Debugging for Software Testing

Charles Software For Windows Overview


Technical Specification

Software Name Charles Software For Windows (V.4.6.1)
File Size 55.2 MB
Languages English, Italian, French, Spanish, Polish, Chinese, German, Japanese
License Free Trial
Developer Karl von Randow


Charles proxy tool is a web traffic debugging proxy. It helps in debugging/analyzing/testing of web and mobile application traffic logs. If you have an idea about APIs, Network traffic and Server related knowledge, then it is quite easy to use this tool. Most of the features of this tool are self-explanatory.


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