What is Charles?
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.
Charles is a tool in the API Tools category of a tech stack.
Who uses Charles?
Companies
30 companies reportedly use Charles in their tech stacks, including Testing, car2go, and Hadi.
Developers
105 developers on StackShare have stated that they use Charles.
Charles's Features
- SSL Proxying – view SSL requests and responses in plain text
- Bandwidth Throttling to simulate slower Internet connections including latency
- AJAX debugging – view XML and JSON requests and responses as a tree or as text
- 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
Charles Alternatives & Comparisons
What are some alternatives to Charles?
Fiddler
It is a free web debugging proxy for any browser, system or platform. It helps you debug web applications by capturing network traffic between the Internet and test computers. The tool enables you to inspect incoming and outgoing data to monitor and modify requests and responses before the browser receives them.
Postman
It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.
Stack Overflow
Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and run by you as part of the Stack Exchange network of Q&A sites. With your help, we're working together to build a library of detailed answers to every question about programming.
Google Maps
Create rich applications and stunning visualisations of your data, leveraging the comprehensiveness, accuracy, and usability of Google Maps and a modern web platform that scales as you grow.
Elasticsearch
Elasticsearch is a distributed, RESTful search and analytics engine capable of storing data and searching it in near real time. Elasticsearch, Kibana, Beats and Logstash are the Elastic Stack (sometimes called the ELK Stack).