Charles Icon

Charles

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy to view all of the HTTP and SSL / HTTPS traffic

CharlesOverview

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

Key Features

• SSL Proxying – view SSL requests and responses in plain text
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 to simulate slower Internet connections including latency
Charles 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).

• AJAX debugging – view XML and JSON requests and responses as a tree or as text
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.

• AMF – view the contents of Flash Remoting / Flex Remoting messages as a tree
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).

• 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

• 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)

NEW

Minor bug fixes:
- Mac OS X Lion: fix regression in 3.6.2 on Lion UI for tab panes

CharlesInformation

Version
3.6.3
Date
09.05.11
License
Trial
Language
English
File Size
6.5 MB
Category
SubCategory
Operating Systems
WinXP,WinVista,Win7
System Requirements
Charles is a Java application, it requires version 1.4 or later of the JRE or JDK from Sun.
You probably already have the JRE or JDK on your computer as it comes with many operating systems.
When you try to run Charles it will notify you if you don't have the necessary software.
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