Aha, may be I should have mentioned more clearly in the first place.
I mean by Shrink: As if you are copying on a nice copier which can reduce the size of the page. If the Page size is reduced, I can use PDF::API2 to create an new page and add header and the shrinked page to it.

In reply to Re^2: Shrink PDF by artist
in thread Shrink PDF by artist

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