Technical Overview & Architecture
Extract specific pages or page ranges from any PDF document with visual thumbnail rendering. Choose custom page numbers (e.g., 1-3, 5, 8), click interactive visual page thumbnails, or split every single page into separate PDFs bundled in a ZIP archive.
The document is loaded into pdfjs-dist to generate lightweight visual canvas thumbnails. When extracting, pdf-lib isolates the selected page objects and writes them into new PDF document structures or packages them into a ZIP archive with JSZip.