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Adblocking / Privacy — Firefox

Adblocking, Privacy, user.js & Hardening for Mozilla Firefox & Gecko Browsers

💡 TIP
Firefox maintains full Manifest V2 support, allowing the complete version of uBlock Origin to run with unrestricted webRequest filtering capabilities.

Recommended Adblockers (Firefox)

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    uBlock Origin (Full Version) — Full-featured webRequest filtering with custom rules and dynamic script blocking.
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    AdGuard for Firefox — Comprehensive open-source filtering extension with built-in parental and tracking controls.

Enhanced Tracking Protection

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    Strict Tracking Protection — Built-in Firefox mode blocking known cryptominers and cross-site tracking cookies.
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    Multi-Account Containers — Isolates browsing sessions into segregated containers.
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    Arkenfox user.js — Configuration template that hardens Firefox against browser fingerprinting.

DNS over HTTPS (DoH)

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    Native DoH Settings — Built into Firefox Settings > Privacy & Security > DNS over HTTPS.
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    Mullvad DoH — Zero-logging privacy DNS with built-in ad and tracker blocking.