Fiddler is a powerhouse for web debugging, and while the original "Fiddler Classic" was a Windows-only staple, is the modern, cross-platform successor built specifically for macOS , Linux, and Windows. Whether you are troubleshooting an API, inspecting HTTPS traffic, or mocking server responses, downloading Fiddler for Mac is a straightforward process. Where to Download Fiddler for Mac

Download Fiddler Everywhere for macOS .

Administrative rights are required to install the necessary Trust Certificates for HTTPS decryption. How to Install Fiddler on macOS