{
  "name": "Online PDF tool upload measurements",
  "version": "2026-08-11",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "attribution": "Filevane PDF Upload Audit — https://filevane.com/pdf-upload-audit/",
  "testFileBytes": 3145728,
  "method": "https://filevane.com/privacy-proof/#automated",
  "columns": {
    "tool": "Name of the tool as published by its operator",
    "url": "The exact page tested",
    "date_tested": "ISO date of this measurement",
    "verdict": "uploaded | local | not-established",
    "bytes_sent": "Bytes transmitted to the top destination after the file was selected",
    "destination_host": "Where the bytes went; empty when nothing was sent or nothing established",
    "processing_model": "server-side | client-side | not-established (derived from verdict)",
    "evidence": "Byte count against the 3145728-byte test file, or the reason no measurement was obtained",
    "is_control": "TRUE for Filevane, which is the self-test run by the identical method"
  },
  "rows": [
    {
      "tool": "Filevane",
      "url": "https://filevane.com/tools/compress-pdf/",
      "date_tested": "2026-08-11",
      "verdict": "local",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "client-side",
      "evidence": "0 bytes sent; tool independently confirmed to have run",
      "is_control": true
    },
    {
      "tool": "Smallpdf",
      "url": "https://smallpdf.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "smallpdf-production-files…r2.cloudflarestorage.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to smallpdf-production-files…r2.cloudflarestorage.com",
      "is_control": false
    },
    {
      "tool": "iLovePDF",
      "url": "https://www.ilovepdf.com/compress_pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 2107638,
      "destination_host": "api112.ilovepdf.com",
      "processing_model": "server-side",
      "evidence": "2107638 bytes sent to api112.ilovepdf.com",
      "is_control": false
    },
    {
      "tool": "PDF2Go",
      "url": "https://www.pdf2go.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "www35.pdf2go.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to www35.pdf2go.com",
      "is_control": false
    },
    {
      "tool": "Sejda",
      "url": "https://www.sejda.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "www.sejda.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to www.sejda.com",
      "is_control": false
    },
    {
      "tool": "Soda PDF",
      "url": "https://www.sodapdf.com/compress-pdf/",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "api-gw.sodapdf.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to api-gw.sodapdf.com",
      "is_control": false
    },
    {
      "tool": "PDF Candy",
      "url": "https://pdfcandy.com/compress-pdf.html",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "s33.api.pdfcandy.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to s33.api.pdfcandy.com",
      "is_control": false
    },
    {
      "tool": "PDF24 Tools",
      "url": "https://tools.pdf24.org/en/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "filetools23.pdf24.org",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to filetools23.pdf24.org",
      "is_control": false
    },
    {
      "tool": "FreePDFConvert",
      "url": "https://www.freepdfconvert.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "www.freepdfconvert.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to www.freepdfconvert.com",
      "is_control": false
    },
    {
      "tool": "DocFly",
      "url": "https://www.docfly.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "create-pdf.s3-eu-west-1.amazonaws.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to create-pdf.s3-eu-west-1.amazonaws.com",
      "is_control": false
    },
    {
      "tool": "TinyWow",
      "url": "https://tinywow.com/pdf/compress",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "tinywow.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to tinywow.com",
      "is_control": false
    },
    {
      "tool": "CleverPDF",
      "url": "https://www.cleverpdf.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "www.cleverpdf.com",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to www.cleverpdf.com",
      "is_control": false
    },
    {
      "tool": "PDFSimpli",
      "url": "https://www.pdfsimpli.com/lp/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "uploaded",
      "bytes_sent": 3156480,
      "destination_host": "prodlegalsimplistorage.blob.core.windows.net",
      "processing_model": "server-side",
      "evidence": "3156480 bytes sent to prodlegalsimplistorage.blob.core.windows.net",
      "is_control": false
    },
    {
      "tool": "Adobe Acrobat online",
      "url": "https://www.adobe.com/acrobat/online/compress-pdf.html",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "The page would not load from our test network across three attempts (HTTP/2 protocol error). The hostname also resolved to an address outside Adobe's published ranges, which suggests DNS interference on our connection rather than anything about the service.",
      "is_control": false
    },
    {
      "tool": "AvePDF",
      "url": "https://avepdf.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "DNS resolution failed repeatedly from our test network; the page never loaded.",
      "is_control": false
    },
    {
      "tool": "LightPDF",
      "url": "https://lightpdf.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 10240,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "The page loaded and accepted the file, but we could not confirm the tool ever started, so the absence of an upload proves nothing.",
      "is_control": false
    },
    {
      "tool": "Xodo",
      "url": "https://xodo.com/compress-pdf",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 31457,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "The page loaded and accepted the file, but we could not confirm the tool ever started. Outbound traffic in the window was third-party telemetry, not the document.",
      "is_control": false
    },
    {
      "tool": "PDFgear",
      "url": "https://www.pdfgear.com/compress-pdf/",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "We could not confirm the tool ever started.",
      "is_control": false
    },
    {
      "tool": "OnlineConvertFree",
      "url": "https://onlineconvertfree.com/compress/pdf/",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "No file input could be located automatically; this one needs a manual pass.",
      "is_control": false
    },
    {
      "tool": "DocuPub",
      "url": "https://www.docupub.com/pdfcompress/",
      "date_tested": "2026-08-11",
      "verdict": "not-established",
      "bytes_sent": 0,
      "destination_host": null,
      "processing_model": "not-established",
      "evidence": "The file was accepted but we could not confirm the tool ever started. This row is the reason the 'did it actually run' check exists: without it, this tool would have been recorded as processing locally.",
      "is_control": false
    }
  ]
}