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Firefox vs 360 Secure Browser: catalog facts
Firefox	360 Secure Browser
Free Free software from a non-profit-owned foundation. Mozilla sells separate subscription…	Free Free to download.
Windows, macOS, Linux, Android, iOS	Windows
Total Cookie Protection stops cookies following you between sites An engine that is not Chromium, which matters for the health of the web	Blocks malicious and phishing sites Many built-in tools, including PDF conversion and OCR
A small number of sites are still built and tested only against Chromium Mozilla’s revenue comes largely from a search deal, which shapes some defaults	Interface and support in Chinese Heavy with bundled AI and extra features
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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