No, cropping only limits the visible page area — it doesn't re-render or compress content. Text and graphics outside the crop box are simply hidden, not deleted from the underlying data until the new file is generated.
単にリサイズするのではなく、PDFをトリミングする理由は？
Resizing scales the whole page, including unwanted margins, while cropping removes only the parts you don't need — useful for cutting off scanner borders, watermarks at the page edge, or empty whitespace before printing or sharing.