Trim excess white margins from every page by a set percentage, useful for tightening up a scan, removing printer margins, or prepping a PDF for a specific print size.
Scanned documents often carry wide, uneven margins from the scanner bed. Cropping tightens the page to what actually matters, which can make content larger and more readable when fit to a screen or print area.
A scanned page has an inch of blank scanner-bed margin on every side. Cropping it down means the actual content fills more of the screen or printed page, and looks noticeably cleaner.
You set one horizontal and one vertical percentage applied evenly to all sides. Uneven, page-specific cropping needs a dedicated PDF editor.
It adjusts the page's visible crop box; readers show only the cropped area, but the underlying content isn't deleted, matching standard PDF behavior.
Not by much on its own. Pair it with Compress PDF if you also want a smaller file.
Start small, around 5%, and check the result. Since it's easy to re-upload the original, try a couple of settings to see what looks right.