condense (something) (in)to (something)
To reduce something into fewer parts, or to make something smaller or shorter. You definitely need to condense this paper into a shorter version because you're currently 20 pages over the limit.
condense something (in)to something
to compress or reduce something to something; to shrink or abridge something into a smaller version. Condense this into half its original volume. You should condense this novel to a short story.