LinkedIn Post Preview

LinkedIn only renders the first few lines of a post in the feed. Everything after that hides behind a “see more” link that most readers never tap. In practice you get somewhere around 140 characters on mobile and around 210 on desktop, capped at roughly three visible lines, whichever limit arrives first.

That makes the opening the most valuable real estate you have. It is not a preview of your post, it is the whole pitch. Seeing the exact cut point before you publish turns a guess into a decision, because you can watch your hook get truncated and fix it in the same window.

The cut is triggered by whichever comes first: the character ceiling or your third line break. Writers who love white space often hit the line limit long before the character limit, which quietly throws away room they could have used to build tension.

This is the single most common mistake the tool surfaces. If the preview tells you the cut was caused by a line break rather than the character limit, you are leaving characters on the table. Move the break later, merge two short lines, and you buy yourself more visible hook for free.

The majority of LinkedIn browsing happens on a phone, so the mobile cut is the one that matters most. Its ceiling is tighter, which means a post that looks fine on desktop can lose its whole payoff on mobile. Design for the narrower limit and the wider one takes care of itself.

A practical test: read only the visible portion and ask whether you would tap. If the visible text already gives away the conclusion, there is no reason to expand it. If it creates a gap the reader needs to close, the cut is doing its job for you rather than against you.