mutool trim

This command allows you to make a modified version of a PDF with content that falls inside or outside of various “boxes” removed.

See mutool pages for how to list out the boxes used on a page.

mutool trim [options] input.pdf

The options are:

-b box

Which page box to trim to (mediabox (default), cropbox, bleedbox, trimbox, artbox).

-f

Fallback to mediabox if specified box not available.

-m margins

Add margins to box (positive for inwards, negative for outwards).

One number for all margins, or two for vertical and horizontal, or four for T,R,B,L respectively.

-e

Exclude contents of box, rather than include them.

-o filename

Output file.

Examples

Trim a document by trimming the MediaBox elements with a margin of 200 points inwards:

mutool trim -b mediabox -m 200 -o out.pdf in.pdf

Trim a document by trimming the MediaBox elements with a margin of 20 points from the top & bottom (vertical) and 30 points from the left & right (horizontal):

mutool trim -b mediabox -m 20,30 -o out.pdf in.pdf

Trim a document by trimming the MediaBox elements to a box offset 10 points from the top & right, 50 points from the bottom and 20 points in from the left:

mutool trim -b mediabox -m 10,10,50,20 -o out.pdf in.pdf

Exclude the contents of the ArtBox element:

mutool trim -b artbox -e -o out.pdf in.pdf