Convert a PDF into clean Markdown with its structure intact
Copying gives you lines. This reconstructs the document structure - headings become headings, lists become lists, tables become Markdown tables - so the result is something you can paste into a doc or a repo and use, not something you have to re-format by hand.
Yes. Columns are detected and read in order rather than straight across the page, which is what turns a two-column paper into readable prose instead of interleaved half-sentences.
Yes - cap them at the first 10 or 50 rows if you only want the shape of the data.
A scan has no text to convert, only pictures of words. Run OCR on it first.
