This document provides tips for tightening writing by using active voice, eliminating unnecessary words like "that", reducing the overuse of adverbs and adjectives, removing weasel words like "start to" and "in order to", avoiding verbosity, eliminating redundant words like "currently", starting sentences in a more interesting way than with "there is/are", and using contractions to make writing more personable. It encourages applying these tips through an exercise on another website.