3 Answers. It’s safe as long as you understand the implications. Fiddler acts as a proxy / man in the middle to intercept and decrypt traffic between you and the target. The problem is that your browser will not trust certificates issued by Fiddler, hence the suggestion to install the Fiddler Root certificate.Click to see full answer. Likewise, what is Telerik Fiddler?Telerik Fiddler (or Fiddler) is a special-purpose proxy server for debugging web traffic from applications like browsers.Subsequently, question is, how do I get rid of Fiddler certificate? To remove the Fiddler certificate: Go to your Start menu > All Programs > Fiddler 4 (or your current Fiddler version). Go to the Tools menu > Options. Go to the HTTPs tab. Click Actions, then select Remove Interception Certificates from the drop-down. On the dialog that appears, click the Yes button. Considering this, what is Fiddler tool used for? The Fiddler tool 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.Where does Fiddler store certificates?All generated certificates are stored in the Fiddler-running user’s Windows certificate storage area. (Certificates can be seen by launching the CertMgr. msc utility).