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PDF analysis

The technical signs of modification in your PDF, listed in a few seconds

Drop one or several documents: for each, you get a confidence score, a reasoned list of signs and a printable report to attach to your file.

Your PDF is used to produce the report shown on screen.

What your report contains

  • A confidence score out of 100, weighted and broken down
  • The signals reported, each one explained, with its weight in the score
  • Covered areas and the text recovered underneath, in their exact place
  • A printable version to attach to your file

A report of technical signs, not a verdict.

What the analysis looks at

Three readings of the same file. Each one produces weighted signs, never a verdict.

  1. 01

    Metadata

    Which tool composed the document, which tool wrote it, and on which dates. Two tools from different families leave a trace.

  2. 02

    Successive saves

    Every rewrite leaves a marker in the file. The report counts how many times the document was reopened and saved again.

  3. 03

    Areas and fonts

    Opaque rectangles, freehand strokes, overlaid images, a digit in another font: located page by page, with the text recovered underneath when the file keeps it.

Analysed documents often contain sensitive personal data. Only upload files you are entitled to examine.