Redaction Tools

PDF benchmark v0.1.1 / PDF Redaction

PDF Redaction on extraction-conditions-1

Web app · published by Mykola Melnyk (Redaction Tools)

Leak rate

22.2%

95% interval 13.2–34.9% · n = 54

Self-scored · verified

Leaked 12 of 54 sensitive values (22.2%).

Over-redaction: —
Text kept (worst case): 93.2%
Cases covered: 1 of 1 cases
Document damaged: None

Where the leaks are

Layer	Leaked here	Only here	If it survives
ocr high	9.3%4.0–19.9% 5 of 54	0.0%0.0–6.6% 0 of 54	catches translucent or hairline covers
metadata high	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	invisible, survives forwarding
annotation high	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	shown by many viewers
attachment high	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	one toggle away
font_subset low	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	narrows the value; partial disclosure
image_xobject critical	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	a crop is a view, not a deletion
content_stream critical	3.7%1.0–12.5% 2 of 54	0.0%0.0–6.6% 0 of 54	copy-paste, pdftotext, any parser
prior_revision critical	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	'save' instead of export; trivially recovered
rendered_pixels critical	22.2%13.2–34.9% 12 of 54	11.1%5.2–22.2% 6 of 54	visible to anyone who opens the file
optional_content high	0.0%0.0–6.6% 0 of 54	0.0%0.0–6.6% 0 of 54	one toggle away

By category

category	Leak rate	Over-redaction
PERSON	22.2%13.2–34.9% 12 of 54	— not measured

By severity

severity	Leak rate	Over-redaction
high	22.2%13.2–34.9% 12 of 54	— not measured

By trap

trap	Leak rate	Over-redaction
nan	22.2%13.2–34.9% 12 of 54	— not measured

Removed, by where the value lives

image_text: 70.4%51.5–84.1%
19 of 27
text_layer: 85.2%67.5–94.1%
23 of 27

What was not measured

Every layer was read in every run.

Provenance

Scored with: pdfredeval (submitter’s copy)
Engines: ocr tesseract · pypdf 6.19.0 · pdfium 153.0.7999.0 · renderer pypdfium2 · pypdfium2 5.13.0 · tesseract tesseract 5.5.2
Alignment: fiducial, residual 0.348 px
Run id: 20260925T081446-pdf-redaction-web-extraction-conditions-1-a1-21dbff