{
  "slug": "ow-shredder",
  "category": "data-erasers",
  "name": "OW Shredder",
  "description": "Portable Windows tool that securely erases files, folders and drives, with extra tools to analyse drives and remove leftover file system traces.",
  "website": "https://schiffer.tech/ow-shredder.html",
  "license": null,
  "platforms": [],
  "jurisdiction": {
    "code": "DE",
    "name": "Germany",
    "eyes": "Fourteen Eyes",
    "eu": true,
    "gdpr": true,
    "cloud_act": null
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "D",
  "score": 50,
  "coverage": 100,
  "summary": "OW Shredder scores 50 out of 100 (grade D) on the data erasers criteria. It meets 2 of 4 criteria: no trackers or telemetry and no ads or data sales. It does not meet open source and independent audit. It is based in Germany: Fourteen Eyes member; EU member (GDPR).",
  "url": "https://privacyratings.com/data-erasers/ow-shredder/",
  "markdown": "https://privacyratings.com/data-erasers/ow-shredder/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "no",
      "evidence": "https://schiffer.tech/software/ow_shredder/license.txt",
      "note": "Closed source freeware."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://schiffer.tech/privacy.html",
      "note": "The privacy policy lists no analytics or third-party tracking, and the website loads no third-party trackers."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://schiffer.tech/privacy.html",
      "note": "Free tool with no ads; the privacy policy lists no advertising or data sales."
    },
    "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."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:00:46.943Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}