To download the Fiddler root certificate, you must first enable HTTPS decryption within the Fiddler application itself. Because every Fiddler installation generates a unique root certificate for security, there is no single universal download link; instead, you generate and download it directly from your local Fiddler instance.
For most users on Windows, macOS, or Linux, the easiest way is to let the application handle the process: (Everywhere or Classic). Navigate to Settings (gear icon) or Tools > Options . Select the HTTPS tab. Check the box for Decrypt HTTPS traffic . download fiddler root certificate
If you need the certificate for an Android or iOS device, you can download it using your device's browser while Fiddler is running on your PC: To download the Fiddler root certificate, you must
Click the button labeled or Install Trust Certificate . Follow the system prompts to allow the installation. Navigate to Settings (gear icon) or Tools > Options
Capturing iOS Traffic - Configure Fiddler Classic - Telerik.com