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  "path": "/post/45989364",
  "publishedAt": "2026-02-19T01:49:44.000Z",
  "site": "https://programming.dev",
  "tags": [
    "Privacy",
    "cm0002",
    "4 comments",
    "https://university.witty.computer/product/universal-local-compressor-private-pdf-image-optimizer-runs-100-in-your-browser/",
    "https://university.witty.computer/product/universal-local-compressor-private-pdf-image-optimizer-runs-100-in-your-browser/"
  ],
  "textContent": "submitted by cm0002 to privacy\n7 points | 4 comments\nhttps://university.witty.computer/product/universal-local-compressor-private-pdf-image-optimizer-runs-100-in-your-browser/\n\n> Every time you upload a PDF or image to a random “free” compression site, you’re handing over the full file (sometimes including hidden metadata like GPS location, device info, and embedded text) plus your IP address and usage data.\n>\n> You have no idea how long it’s stored, logged, or reused. Compression doesn’t require a server; it can run entirely in your browser.\n>\n> Witty University built a simple local HTML tool that compresses PDFs and images 100% offline, nothing gets uploaded: https://university.witty.computer/product/universal-local-compressor-private-pdf-image-optimizer-runs-100-in-your-browser/\n>\n> Privacy is basic hygiene.",
  "title": "Stop Uploading Your Personal Files to Random “Free” Compression Sites"
}