To debug secure traffic, Fiddler must act as a "Man-in-the-Middle" (MITM). It intercepts HTTPS requests and generates "fake" certificates for the sites you visit so it can decrypt and display the data. For your browser to accept these generated certificates without constant security errors, you must manually install and trust the Fiddler Root Certificate . Security Risks and Realities
: Every Fiddler installation generates a unique root certificate per machine. This means another Fiddler user cannot use their certificate to intercept your traffic. do not trust fiddler root download
Is it 'safe' to permanently trust the Fiddler root certificate? To debug secure traffic, Fiddler must act as
: Trusting the certificate can lead to hundreds of individual site certificates "polluting" your system store, which may occasionally cause performance issues with certain VPNs. To debug secure traffic