We have a product that does just that. If you're interested, please send
an email to admin id-extras.com
The difference is that the script I'm referring to resizes your current
InDesign document, warts and all. The text remains live and editable,
the layout is identical: Your original InDesign document, just a
You can place your INDD file in another smaller INDD file and scale it properly.
Or you can export PDF/X-4 from your file and place it into your second INDD file.