Download Charles
Download the latest version of Charles below. Version 3.X of Charles is a free upgrade for all registered users.
IMPORTANT NOTE Charles 3.4 changes the default behaviour of SSL in Charles to opt-in rather than opt-out. You must now opt-in each site you wish to enable for SSL proxying. Read more.
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.
Download
The latest version of Charles is 3.5.2. Read the Release Notes.
Windows 32 bit (4.5 MB)
Windows 64 bit (4.6 MB)
Requires a 64 bit Java Runtime Environment (NB: choose the Windows x64 platform)
Mac OS X (5.5 MB)
Universal. Compatible with Mac OS X 10.3 - 10.6.
Linux / UNIX (3.7 MB)
Mozilla Firefox add-on
The following add-on is required to autoconfigure the Firefox proxy settings. Just download and install it using Firefox.
If you have a "Download Error" when attempting to install this add-on please try saving it to your desktop and then opening it with (or dragging and dropping it onto) Firefox.
The add-on adds a Charles option to the Tools menu. This displays the current status of the connection with Charles.
Note: Version 3.1 or later of the add-on is required for Charles 3.1, however it is also backwards compatible with older versions of Charles.
Download Firefox Add-On (10 KB)