What PPTDetector is
PPTDetector is a detector for slide decks rather than documents. It takes ppt and pptx files, analyses the text, images and structure for AI-generated traces using statistical features such as perplexity and sentence length variation, and produces a visual report.
What you can do with it
- Check a deck for AI-generated content
- Review slides in education or business settings
- Screen several presentations in a batch
- Produce reports for review records
- Compare decks across a cohort
Who it is for
- Teachers reviewing slide-based work
- Corporate reviewers checking proposals
- Institutions running batch checks
What to watch out for
- Detectors built on statistical features misclassify clean, conventional human writing and miss lightly edited AI text; treat output as a signal only
- Presentation structure is heavily templated, which increases false positives
- Never decide an academic or hiring case on a report alone
- Uploaded decks may contain confidential material
Pros & cons
✓ What we like
- Purpose-built for a common format
- Checks images and structure too
- Batch screening supported
! What to watch out for
- Statistical detection is unreliable
- Templated decks raise false positives
- Not sufficient evidence alone
FAQ
Does a report prove AI use?
No. It is a signal needing human review and discussion.
Why are decks often flagged?
Templated structure and short, even sentences trigger statistical detectors.
What should I avoid uploading?
Decks containing confidential or unpublished material.
Last reviewed: 2026-09-19
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