{
  "slug": "windirstat",
  "category": "disk-usage-analyzers",
  "name": "WinDirStat",
  "description": "Disk usage analyzer for Windows that shows a sortable folder tree, file type statistics and a treemap, with duplicate file search and cleanup actions.",
  "website": "https://windirstat.net",
  "source": "https://github.com/windirstat/windirstat",
  "license": "GPL-2.0",
  "platforms": [
    "windows"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 85,
  "coverage": 100,
  "summary": "WinDirStat scores 85 out of 100 (grade B) on the disk usage analyzers criteria. It meets 5 of 6 criteria: open source, no trackers or telemetry, no ads or data sales, works offline and no account needed. It does not meet independent audit.",
  "url": "https://privacyratings.com/disk-usage-analyzers/windirstat/",
  "markdown": "https://privacyratings.com/disk-usage-analyzers/windirstat/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/windirstat/windirstat/blob/master/LICENSE.md",
      "note": "GPL-2.0."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/windirstat/windirstat",
      "note": "No telemetry or analytics in the source code, and no third-party trackers were found on the website."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://windirstat.net",
      "note": "Free open-source volunteer project with no ads."
    },
    "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": "yes",
      "evidence": "https://github.com/windirstat/windirstat",
      "note": "The source code contains no network or update check code."
    },
    "no_account_needed": {
      "title": "No account needed",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://windirstat.net",
      "note": "No account needed. A portable build is available."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:02:27.708Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}