Privacy Thing extension blocks browser fingerprinting across 50+ APIs on Firefox and Chrome

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Developer Tomasz has launched a preview version of Privacy Thing, a cross-browser extension for Firefox and Chromium-based browsers designed to combat cookie-free tracking known as browser fingerprinting. The extension covers 13 protection categories spanning over 50 browser APIs, including Geolocation, Canvas, WebGL, Audio, WebRTC, and various Worker types. Users can configure domain-specific protection profiles or rely on a global setup, with all processing handled locally — the extension collects no telemetry or usage data. It relies on bundled datasets for hardware and locale information, using third-party services like OpenStreetMap's Nominatim only with explicit user consent. Currently distributed under a proprietary license, the developer intends to eventually release the source code under an open-source AGPL license.

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