Load Extension in Fiddler
Updated on Nov 6, 2025
-
Compile your project.
-
For Extensions projects, copy the assembly .DLL to the correct Scripts folder:
- Use %userprofile%\Documents\Fiddler2\Scripts to make the extension available to the current user.
- For Custom Inspector projects, copy the assembly .DLL to the correct Inspectors folder:
- Use %userprofile%\Documents\Fiddler2\Inspectors to make the inspector extension available to the current user.
- Restart Fiddler.