Download Charles
The latest version of Charles is 4.6.3. Read the Release Notes.
Paid Upgrade for Charles 3 to Charles 4
Charles 4 was a major update to Charles 3, and it is a paid upgrade. Please download a trial of Charles 4; we think you're going to love it! If you would like to continue using Charles 4, you will need to purchase a license upgrade.
You can continue to download the latest release of Charles 3 from the Previous Release page.
v4.6.3
Mozilla Firefox add-on
Firefox no longer requires an add-on to work with Charles. Instead configure Firefox to use your system proxy settings.