Crop a PDF and trim its margins TRIM
Drag the edges of the box, type the margins, or fit each page to what is on it. The crop box is set, so the text stays text, all in this tab.
The PDF
Drop a PDF here
or choose it
Where to crop
The result
Doing this often? PDF Studio puts cropping, page sizes and margins into a batch, so a folder of scans comes out the same. On its own, US$2 a month; with everything else, US$5 a month or US$48 a year. 7 days free.