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What is 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.
Fiddler is a tool in the API Tools category of a tech stack.

Who uses Fiddler?

Companies
12 companies reportedly use Fiddler in their tech stacks, including Skybox Security, Cloud, and Aspect.

Developers
25 developers on StackShare have stated that they use Fiddler.

Why developers like Fiddler?

Here’s a list of reasons why companies and developers use Fiddler
Top Reasons
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Fiddler Alternatives & Comparisons

What are some alternatives to Fiddler?
Python
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
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.
Postman
It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.
Amazon API Gateway
Amazon API Gateway handles all the tasks involved in accepting and processing up to hundreds of thousands of concurrent API calls, including traffic management, authorization and access control, monitoring, and API version management.
Insomnia REST Client
Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
See all alternatives

Fiddler's Followers
20 developers follow Fiddler to keep up with related blogs and decisions.
Simon Rascovsky
Mark Lancaster
Vaibhav Taunk
Panayiotis Tzagkarakis
Florian Scheepstra
Raja Rk
Mohamma76685757
Piotr Głudkowski
AdmOd
Mark Lancaster