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WindowsSpyBlocker vs W10Privacy: catalog facts
WindowsSpyBlocker	W10Privacy
Free Free and open source under the MIT licence.	Free Offered as a free download.
Windows	Windows
Single portable executable with no installer Targets Windows telemetry and tracking specifically	Brings scattered Windows privacy settings into one overview Covers settings for built-in apps such as Edge
Windows only Blocking telemetry endpoints can affect some Windows features or updates	Windows only Website is in German
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.