WPeMatico Better Excerpts only saves excerpts, it don’t touching the post contents. If you’ll use just excertps in your website, it can do the job.
But if you want to use the post content with images, links or other html tags inside, you’ll need WPeMatico Professional AddOn
Feature Words counters filters.
Strip the HTML and count how many words or letters are in content and allows assign a category, cut the content or skip the post.