Definition: PdfHandler - A PDF file handler is a software program used to load, parse, or handle .pdf files. Definition: A PDF file handler allows developers to process, analyze, or manipulate PDF content. It typically handles basic operations like reading, converting, and manipulating PDF files. Functions of a PDF file handler might include: 1. Loading and parsing the pdf. 2. Extracting metadata from the pdf (such as pages, headers, or subtitles). 3. Handling page numbers, page ranges, and other information provided in the pdf. 4. Parsing text within the pdf. 5. Providing various options for exporting the pdf as a different file format. Understanding PDF handling requires familiarity with PDF processing tools and their functionalities.