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LinkedIn Post Preview and Hook Checker

Paste a draft and see it as a feed card, with "…more" exactly where LinkedIn cuts it on desktop and in the app. Underneath, the hook checker grades the lines people read before they decide to click.

Example
Example draft. Start typing or paste your own.417 / 3,000
LinkedIn preview
Preview device
Alex Morgan• 1st
Product Manager at TechFlow | Growth & Strategy
1m
I spent 3 months rewriting our onboarding emails. Open rates didn't move. Then I changed one thing about the first line and replies tripled… more
1865 comments • 2 reposts
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Hook check

Almost there
6/7

Where the cut lands

141 charsDesktop feed132 charsMobile app73 / 60Opening line417 / 3,000Post length
  • ! Opening line should be under 60 charactersA short first line reads at a glance, even on a phone.73 / 60
  • ✓ Opening should start with words, not a hashtag or link
  • ✓ Opening should skip clichés like “Excited to share”
  • ✓ First paragraph should fit before “…more” on phones73 / 132
  • ✓ Opening should be on its own line
  • ✓ Links should go after the cut
  • ✓ Hashtags should go after the cut
The feed shows roughly the first 210 characters on desktop and 140 in the mobile app (3 lines max, blank lines count). Click "…more" in the preview to expand it, exactly like the real feed.
417 / 3,000

Short version: LinkedIn shows about 3 lines of a post before "…more": roughly 210 characters on desktop and 140 in the mobile app, and a blank line uses up a whole line. The hook checker below runs the 7 rules of Post Formatter's Hook check, including an opening line of 60 characters or less and no hashtag or link above the cut.

Updated October 2026

How Many Characters Show Before "…more" on LinkedIn?

LinkedIn doesn't publish a number. The feed clamps a post to 3 lines and puts "…more" on the third, right after the last word that still leaves room for it. In characters that works out to the budgets below. The tool measures your actual draft instead, because Unicode bold is wider than plain text and every blank line costs a full line.

LinkedIn see more cutoff by device
WhereShown before "…more"LinesText box
Desktop feed About 210 characters 3, blank lines included 526 px wide, 14 px text
Mobile app About 140 characters 3, blank lines included 343 px on a 375 px phone
Whole post 3,000 characters max Unlimited after the click Same box, expanded

Why the cut matters so much, and what belongs above it, is the subject of our guide to the LinkedIn see more cutoff. For headline, About and comment limits, use the LinkedIn character counter.

What the LinkedIn Hook Checker Checks

This is the Hook check from the Post Formatter extension: the same seven rules, the same thresholds, running in your browser. Three of them look at the opening on every post. The other four only count when LinkedIn actually cuts the post, since a post that shows in full has no fold to get wrong.

The seven LinkedIn hook checks
CheckWhat passesScored when
Opening should start with words, not a hashtag or link The first line holds at least one real word (two letters or more) outside hashtags, links, mentions and emoji. Unicode bold or italic letters count as words. Always
Opening line should be under 60 characters The first non-empty line is 60 characters or less, counted after Unicode styling is removed. Longer first lines wrap on a phone. Always
Opening should skip clichés like “Excited to share” The opening doesn't start with one of 55 stock English openers, such as "Excited to share", "Happy Monday" or "Hi everyone". Always
First paragraph should fit before “…more” on phones The whole first paragraph, up to the first blank line, is visible before "…more" in the mobile app. The app cuts the post
Opening should be on its own line The opening line has a line break after it, so the cut lands between thoughts. The post gets cut
Links should go after the cut No URL appears before "…more". The post gets cut
Hashtags should go after the cut No hashtag appears before "…more". The post gets cut

The verdict only counts checks that apply to your draft. Pass all of them and it says "Ready to post". Miss one or two and it says "Almost there". Three or more misses gives "Needs work".

How to Check Your LinkedIn Hook Before Posting

  1. Paste your draft

    Paste the post into the editor. Unicode bold and italic, emoji, hashtags and line breaks show up the way the feed shows them.

  2. Find the cut

    The preview puts "…more" where LinkedIn will. Switch between Desktop and Mobile: the app usually cuts earlier.

  3. Work through the hook check

    Fix the flagged checks from the top. Each one says what to change, and the meter updates while you type.

  4. Copy and post

    Once it reads "Ready to post", copy the text and paste it into LinkedIn.

Run the Hook Check Inside LinkedIn

The free Post Formatter Chrome extension formats posts right inside the composer on LinkedIn, X, Facebook, Threads and more. Pro adds this preview while you type, with the "…more" cut marked and the Hook check under it, plus drafts with folders and AI proofreading.

Add to Chrome, It's Free

Frequently Asked Questions

What does a LinkedIn hook checker do?
It looks at the lines people see before "…more" and tests them against rules you can act on. This one runs the seven checks of Post Formatter's Hook check: words first, an opening line of 60 characters or less, no stock opener, the first paragraph visible on phones, a line break after the opening, and no link or hashtag above the cut. Every failing check tells you what to change.
Is the "…more" position measured or estimated?
Measured. The tool lays your draft out at LinkedIn's own text widths (526 px on desktop, 343 px on a 375 px phone, 14 px type) and finds the last word on line three that still leaves room for "…more". The extension does the same inside LinkedIn. LinkedIn changes its layout now and then, so leave a few characters of slack.
Why does my post say "Needs work" when it reads fine?
The checks look at structure, not at how good the writing is. Three misses are enough for "Needs work": a 75-character first line, a hashtag on line two and no break after the opening will do it even in a strong post. Fix the flagged items and the verdict moves up as you type.
Does the hook checker work for posts in other languages?
Six of the seven checks work in any language, because they count characters, lines, links and hashtags. The cliché check only knows English stock openers, so a German or Dutch "excited to share" line passes it. There are German and Dutch versions of this tool with translated labels.
Can I preview bold and Unicode-styled text?
Yes. Styled text from any formatter renders in the preview the way it will in the feed, since Unicode styling is ordinary text as far as LinkedIn is concerned. It also takes more room per letter, which is why a bold opening can move the cut. To style a post first, use the free LinkedIn Text Formatter on this site.
Why does my post get cut earlier on mobile?
The app gives the text a narrower column, so its 3 lines hold about 140 characters against roughly 210 on desktop. Most people scroll LinkedIn on their phone, so make the first 140 characters carry the hook.
Is this LinkedIn post preview tool free?
Yes. No sign-up, no limits, and your draft stays in your browser. If you want the same preview and Hook check while you write, the Post Formatter Chrome extension shows them inside LinkedIn: the free core formats your text, and Pro adds the live preview.