--- title: "Firefox Just Killed Browser Fingerprinting (2025)" url: https://daily.dev/posts/firefox-just-killed-browser-fingerprinting-2025--iourxjyki source_url: https://www.youtube.com/watch?v=CKa7nn59x-0 type: video:youtube source: "David Bombal" published: 2025-12-07T14:04:10.452Z updated: 2025-12-07T14:04:33.385Z tags: ["privacy", "firefox", "web-security"] reading_time: 7 upvotes: 32 comments: 6 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Firefox Just Killed Browser Fingerprinting (2025) **[David Bombal](https://daily.dev/sources/davidbombal)** · 7 min read · 32 upvotes · 6 comments ## Summary Firefox 145 introduces enhanced anti-fingerprinting protections that reduce uniquely identifiable users from 65% to 20%. The new defenses block tracking through hardware details, fonts, processor cores, and screen dimensions. Initially available in private browsing and strict mode, these protections will eventually be enabled by default for all users. Fingerprinting allows websites to track users even when cookies are blocked by creating unique digital signatures from browser and device characteristics. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@ezpie** · 1 upvotes > sick. Now get rid of javascript! --- Tags: [#privacy](https://daily.dev/tags/privacy), [#firefox](https://daily.dev/tags/firefox), [#web-security](https://daily.dev/tags/web-security) [View this post on daily.dev](https://daily.dev/posts/firefox-just-killed-browser-fingerprinting-2025--iourxjyki)