You see the page on screen and understand how much margin there is to remove.
Define the box to keep and apply it to one page or to all of them.
You get the PDF with the pages trimmed as you chose.
The file does not leave your device. Thirty-two tools out of thirty-eight.
Cropping acts on the visible area of the page. If you need certainty that content is removed and not merely out of frame — a confidential detail, say — the right tool is Redact, which removes the content instead of hiding it.
Yes, and it is the most common case with scans, where the border to remove is the same throughout the document.
Yes: that is exactly what it gets picked for most often. Removing the border also makes the document lighter and easier to read on screen.
It opens in your browser, nothing to install. Five operations a day are free, with no payment details.