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End-to-End Encryption in Browsers

The primary topic is about the end-to-end encryption in browsers, specifically focusing on the differences between marketing claims and actual cryptographic practices. It highlights the browsers that offer true end-to-end encryption for sync data.

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Jan 25, 2026
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Which browsers offer built-in end-to-end encryption for browsing and data sync?

Multiple mainstream and niche browsers now advertise built-in encryption for either browsing sessions, sync data, or both, but “” means different things in marketing versus cryptographic practice; sou...