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Fiddler Classic vs Proxyman: catalog facts
Fiddler Classic	Proxyman
Free Free for eligible non-commercial use; commercial use points to the paid Fiddler…	Freemium Free to download, with paid licences for extra features.
Windows	Windows, macOS, Linux
Captures and decrypts HTTPS traffic for inspection Lets you modify requests and responses	Native macOS interface SSL decryption and traffic grouped by app or domain
Licensed only for eligible non-commercial use Windows only	Not open source Requires installing a trusted certificate to decrypt HTTPS
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.