File APIs for Word/Excel/PowerPoint/PDF

  In long PDF documents such as project reports, product manuals, technical specifications, or contract collections, navigating page by page can quickly become inconvenient. Bookmarks provide a simple way to organize the document structure and let readers jump directly to important sections from the navigation panel. Existing PDFs may also need bookmark maintenance when chapter names change, sections are removed, or the original bookmark structure is no longer accurate. This article shows how to manage PDF bookmarks in Java, including how to: Add bookmarks to a PDF Create multi-level bookmarks Edit existing bookmarks Remove individual or all bookmarks Install the Required PDF Library This article uses Spire.PDF for Java to read and modify PDF files. It provides APIs for creating top-level and child bookmarks, changing bookmark properties, and removing existing bookmarks. If you are using Maven, add the repository and dependency to your pom.xml : <repositories> <repos...