Adding Table of Contents to existing PDF

Question

How can I add a Table of Contents (TOC) to an existing PDF?

I have an existing PDF (scanned notes from a class). I'd like to improve this basic scan as much as possible. I do not think that any OCR is good enough to recognize handwriting, so I cannot make it searchable. But I would like to manually modify it by adding a TOC in the beginning that links to parts of the document.

One way could be to split the PDF into separate documents, then have:

\section{Part One}
\include{part1.pdf}
\section{Part Two}
\include{part2.pdf}

But I am wondering if there is a way to do this without splitting it up.

Answer 1

use package pdfpages and then:

\documentclass{article}
\usepackage{pdfpages}
\usepackage{hyperref}  
\begin{document}

\tableofcontents
\clearpage\phantomsection
\addcontentsline{toc}{section}{The first section name}% or chapter
\includepdf[pages={1-10},linktodoc,linktodocfit=/Fit]{texte/dtk/dtk11-1/komoedie.pdf}
\clearpage\phantomsection
\addcontentsline{toc}{section}{The second section name}% or chapter
\includepdf[pages={11-19},linktodoc,linktodocfit=/Fit]{texte/dtk/dtk11-1/komoedie.pdf}
\clearpage\phantomsection
\addcontentsline{toc}{section}{The third section name}% or chapter
\includepdf[pages={20-29},linktodoc,linktodocfit=/Fit]{texte/dtk/dtk11-1/komoedie.pdf}
\clearpage\phantomsection
\addcontentsline{toc}{section}{The forth section name}% or chapter
\includepdf[pages={21-39},linktodoc,linktodocfit=/Fit]{texte/dtk/dtk11-1/komoedie.pdf}

\end{document}