I've recently been working on extracting text from PDFs myself. I've found that `pdftohtml -xml` from the Poppler utils does a decent job of it, and includes a

I've recently been working on extracting text from PDFs myself. I've found that `pdftohtml -xml` from the Poppler utils does a decent job of it, and includes a bounding box for each piece of text. I've submitted a few patches to their Bugzilla to also include the transformation matrix as well as some extra styling information.