Split PDF by Bookmarks: Auto-Divide at Chapter Boundaries
If your PDF has a table of contents with bookmarks, you can split it automatically at each chapter. This guide shows how using free and open-source tools.
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Tags: pdf, developer-tools, splitting
Split PDF by Bookmarks: Chapter-by-Chapter Extraction A well-structured PDF document uses bookmarks (also called the document outline) to create navigable chapters. Each bookmark points to a specific page. This structure is exactly what you need for automated chapter extraction: if you can read the bookmark tree, you know where each chapter starts and ends, and you can split the document into individual chapter files without manually counting pages. How PDF Bookmarks Map to Page Ranges The PDF bookmark structure is stored in the document catalog as an outline tree. Each node in this tree contains: A title string (the text shown in viewers) A destination: either a page reference or a named destination that resolves to a page Optional child nodes (nested bookmarks) To split by bookmarks,…
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