LinkedIn allows 3,000 characters per post and 2,600 in the profile about section. What matters most is the opening: in the feed your post is truncated with a "see more" link after roughly 210 characters.
This counter shows live how much room is left. Putting the hook in the first two lines earns noticeably more "see more" clicks — and therefore more reach.
Frequently asked questions
How many characters can a LinkedIn post have?
Up to 3,000 characters. In the feed the post is truncated with a "see more" link after around 210 characters.
How long can the about section be?
The about section allows up to 2,600 characters.
Why does the opening matter so much?
Because only the first ~210 characters are visible without a click — they decide whether someone keeps reading.
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