PDF annotation apps
Recommended
- PDF expert: In the past, it had an issue of randomly obliterating annotations. But it’s a very convenient app with integration into the finder.
- GoodNotes
Trying
How to manipulate PDFs?
Data extraction from PDF
- Number of pages
qpdf --show-npages file.pdf
- Camelot: PDF Table Extraction for Humans
- From PDFs to AI-ready structured data: a deep dive