{
  "slug": "treesize-free",
  "category": "disk-usage-analyzers",
  "name": "TreeSize Free",
  "description": "Free edition of JAM Software's disk space manager for Windows. It shows folder sizes in an Explorer-like tree with charts. Paid Personal and Professional editions add search, reports and cleanup tools.",
  "website": "https://www.jam-software.com/treesize",
  "license": null,
  "platforms": [
    "windows"
  ],
  "jurisdiction": {
    "code": "DE",
    "name": "Germany",
    "eyes": "Fourteen Eyes",
    "eu": true,
    "gdpr": true,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 23,
  "coverage": 100,
  "summary": "TreeSize Free scores 23 out of 100 (grade F) on the disk usage analyzers criteria. It meets 1 of 6 criteria: no account needed. It partly meets no ads or data sales and works offline. It does not meet open source, no trackers or telemetry and independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).",
  "url": "https://privacyratings.com/disk-usage-analyzers/treesize-free/",
  "markdown": "https://privacyratings.com/disk-usage-analyzers/treesize-free/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "Closed source."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://www.jam-software.com/company/privacy.shtml",
      "note": "The privacy policy says JAM's applications send usage data with a unique ID to JAM's servers, and the opt-out is only in the paid editions. The website uses self-hosted Matomo plus Google Ads and Microsoft Advertising cookies for visitors who arrive from an ad."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://www.jam-software.com/company/privacy.shtml",
      "note": "Funded by paid editions, with no ads in the app. The website uses Google Ads remarketing to advertise JAM's own products."
    },
    "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."
    },
    "offline": {
      "title": "Works offline",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://www.jam-software.com/company/privacy.shtml",
      "note": "Scans run locally, but the privacy policy says JAM's applications send usage data to JAM's servers, with the opt-out only in the paid editions."
    },
    "no_account_needed": {
      "title": "No account needed",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://www.jam-software.com/treesize",
      "note": "Free download with no account."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:02:28.221Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}