Splitting a PDF lets you pull out the pages you actually need — a single form from a packet, or each chapter as its own file. Here are the two main ways to do it.
Extract a page range
If you need pages 3–7 of a document, use a range extraction. Enter the range and you get a new PDF containing just those pages.
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Open Split PDF →Split into single pages
To break a document into one file per page, use a 'split into single pages' option, which typically gives you a ZIP of individual PDFs.
Why split instead of compress
Splitting is sometimes the better answer to an upload limit: instead of compressing a whole document, upload only the required page.