Charles Docs-y

The Unofficial docs for Charles Proxy

Configure Charles Root certificate on Mac

The Root certificate is the magic ingredient that allows Charles to decrypt HTTPS traffic. This certificate basically tells your MacBook to give Charles permission to view and modify all HTTPS traffic that flows in and out of your machine. This becomes incredibly useful when testing your application and you need to modify HTTPS traffic. ThisContinue reading “Configure Charles Root certificate on Mac”

May 5, 2020May 26, 2020

iOS devices and Charles

This setup guide will help you configure Charles and your device so you can view your app’s network traffic in plain text. NOTE: You can’t view/intercept the traffic of apps with a pinned certificate. Most apps with sensitive data, e.g. banking apps, will block you from viewing/intercepting their traffic. If you just want to playContinue reading “iOS devices and Charles”

May 5, 2020June 4, 2020

Android devices and Charles

This tutorial will show you how to configure Charles and your device so you can view your app’s network traffic in plain text. NOTE: Since Android Nougat (7.1), Google have blocked you from viewing/intercepting network traffic from Play Store apps. NOTE: To proceed with this tutorial, you will need to be able to build yourContinue reading “Android devices and Charles”

May 7, 2020July 8, 2020

Breakpoints – Modify the Request

The Breakpoint feature is great if you want to just intercept 1 Request (or Response) and modify some element of it. If you are a frequent user of Breakpoints, you also should have a look at the Rewrite feature. The following tutorial will show you how to use the Breakpoints feature to intercept a Request,Continue reading “Breakpoints – Modify the Request”

May 11, 2020June 4, 2020

Rewrite – Modify the Request and the Response

The Rewrite feature allows you to automatically change parts of HTTP Requests and Responses every time they meet a pre-defined set of rules. This tutorial will show you how to use the Rewrite feature to change the Request and the Response. Please note that you need to compete the Rewrite – Modify the Request tutorialContinue reading “Rewrite – Modify the Request and the Response”

May 11, 2020May 20, 2020

Rewrite – Tips & Tricks

Here are some tips and tricks I’ve picked up over the years while working with Rewrites that make creating them a little easier! Update Columns Swap ‘Info’ column for ‘Notes’ The more Rewrites you use the more sense it makes to swap the ‘Info’ column for the ‘Notes’ one Right-click the the bar with theContinue reading “Rewrite – Tips & Tricks”

May 12, 2020May 20, 2020

Latest

Common Problems – Charles Proxy & Android

Here are some of the common issues people face when working with Android and Charles. Details on how to fix these issues has also been included. Time Outs The app or browser keeps timing out Check if the local IP address of your Mac has changed If it has changed, it means your device canContinue reading “Common Problems – Charles Proxy & Android”

July 8, 2020July 10, 2020

View localhost traffic

If you are developing something on your local machine you may like to the ability to view your traffic in Charles. In this tutorial we will show you how to proxy your localhost traffic through Charles Prerequisite Install Charles Make sure you have setup the Charles Root certificate on your Mac before you proceed to the next stepContinue reading “View localhost traffic”

June 4, 2020September 17, 2020

Rewrite – Modify elements in the Response body

The Rewrite feature lets you automatically change elements of a Request or Response each time they meet a predefined set of rules. In this tutorial, with a simple Regular expression, we will pinpoint specific properties in the Response and then use the Rewrite tool to automatically modify their values. When mocking data, it’s always bestContinue reading “Rewrite – Modify elements in the Response body”

May 15, 2020June 4, 2020

Screen mirroring and recording with Charles

Mirroring your device’s screen on your Mac can be really useful if you want to demo some work or show how to recreate a bug. This tutorial will show you how to mirror physical iOS and Android devices on your Mac while recording your screen. We will use Quicktime for mirroring iOS devices. While AndroidContinue reading “Screen mirroring and recording with Charles”

May 15, 2020May 20, 2020

Common Problems – iOS

Here are some of the common issues people face when working with iOS and Charles. Details on how to fix these issues has also been included. Time Outs The app or browser keeps timing out Check if the local IP address of your Mac has changed If it has changed, it means your device canContinue reading “Common Problems – iOS”

May 14, 2020July 8, 2020

No Caching

This feature gives you the ability to force your app/website to get the latest version of a resource from the server, instead of getting a cached one. This tutorial will show you how to use the No Caching feature to force your browser to get the latest version of a NY Times from their serversContinue reading “No Caching”

May 14, 2020June 4, 2020

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