{
  "slug": "librewolf",
  "category": "browsers",
  "name": "LibreWolf",
  "description": "Independent fork of Firefox with telemetry removed, uBlock Origin included and Resist Fingerprinting enabled by default.",
  "website": "https://librewolf.net",
  "source": "https://codeberg.org/librewolf/source",
  "license": null,
  "platforms": [],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 83,
  "coverage": 100,
  "summary": "LibreWolf scores 83 out of 100 (grade B) on the browsers criteria. It meets 6 of 8 criteria: open source, no trackers or telemetry, no ads or data sales, blocks trackers by default, fingerprinting protection and no calls to big-tech services. It partly meets timely security updates. It does not meet independent audit.",
  "url": "https://privacyratings.com/browsers/librewolf/",
  "markdown": "https://privacyratings.com/browsers/librewolf/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://codeberg.org/librewolf/source/src/branch/main/LICENSE",
      "note": "MPL-2.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://librewolf.net/docs/features/",
      "note": "Telemetry, crash reports, studies and experiments are disabled."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://librewolf.net/docs/faq/#why-dont-you-accept-donations",
      "note": "Volunteer project with no ads. It does not accept donations."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tracker_blocking": {
      "title": "Blocks trackers by default",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://librewolf.net/docs/features/",
      "note": "Ships uBlock Origin and Enhanced Tracking Protection in Strict mode."
    },
    "fingerprinting_protection": {
      "title": "Fingerprinting protection",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://librewolf.net/docs/features/",
      "note": "Resist Fingerprinting is enabled by default."
    },
    "no_google_services": {
      "title": "No calls to big-tech services",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://librewolf.net/docs/faq/#why-do-you-disable-google-safe-browsing",
      "note": "Google Safe Browsing is disabled, and the remaining outgoing connections are for updates and block lists."
    },
    "security_updates": {
      "title": "Timely security updates",
      "weight": 3,
      "answer": "partial",
      "evidence": "https://librewolf.net/docs/faq/#how-often-do-you-update-librewolf",
      "note": "Releases usually follow Firefox within three days, but there is no built-in auto-update."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:00:35.694Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}