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HTTP Toolkit vs Fiddler Everywhere: catalog facts
HTTP Toolkit	Fiddler Everywhere
Free Open-source desktop app that is free to download.	Paid Commercial product with a free trial available.
Windows, macOS, Linux	Windows, macOS, Linux
One-click interception for many tools and platforms Can target traffic from a single client	Runs on Windows, macOS and Linux Captures browser, system, terminal and Android traffic
Desktop only; no mobile app to run it on a phone Aimed at developers rather than general users	Paid licence required after the trial Team and AI features add complexity for simple debugging
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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