{
  "slug": "freefilesync",
  "category": "file-sync",
  "name": "FreeFileSync",
  "description": "Folder comparison and synchronization tool for backups and mirroring, with two-way sync, versioning and batch jobs. Syncs local drives, network shares, FTP, SFTP, MTP and Google Drive.",
  "website": "https://freefilesync.org",
  "license": null,
  "platforms": [
    "windows",
    "macos",
    "linux"
  ],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 15,
  "coverage": 100,
  "summary": "FreeFileSync scores 15 out of 100 (grade F) on the file sync and backup criteria. It partly meets open source. It does not meet no trackers or telemetry, no ads or data sales and independent audit.",
  "url": "https://privacyratings.com/file-sync/freefilesync/",
  "markdown": "https://privacyratings.com/file-sync/freefilesync/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "partial",
      "evidence": "https://freefilesync.org/faq.php#commercial",
      "note": "Source code is published under GPL-3.0, but the official builds are licensed for personal use only, and commercial use requires the paid Business Edition."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://freefilesync.org/privacy.php",
      "note": "The website loads Google ads with DoubleClick cookies. The Donation and Business Editions record a user name and hardware ID for licensing."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "no",
      "evidence": "https://freefilesync.org/privacy.php",
      "note": "The app has no ads, but the project is funded by donations and personalized Google ads on the website."
    },
    "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": [
      {
        "name": "Google AdSense",
        "host": "pagead2.googlesyndication.com",
        "effect": "no"
      },
      {
        "name": "Google DoubleClick",
        "host": "securepubads.g.doubleclick.net",
        "effect": "no"
      }
    ],
    "tested_at": "2026-10-01T06:38:43.670Z"
  },
  "last_modified": "2026-10-01T06:56:31Z"
}