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LinkedIn Character Limits 2026 – Posts, Headline & Bio

LinkedIn allows up to 3,000 characters in a post — but only the first 210 characters appear before the 'see more' button collapses your content. On LinkedIn, where you're writing for professionals and decision-makers, that opening hook is everything. This guide covers every LinkedIn character limit, explains the algorithm behaviour behind them, and shows you the optimal lengths for maximum reach.

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LinkedIn Character Limits at a Glance (2026)

Content TypeCharacter LimitNotes
Post / Update3,000All accounts
Post (above fold)~210Visible before 'see more'
Headline220Below your name everywhere
About / Summary2,600Profile description
Job Title100Keep under 80
Company name100Use full legal name
Connection message300Personalized requests
Comment1,250Per comment
Article title150Under 100 recommended
Article body125,0001,500–2,500 words for reach
Direct Message (DM)8,000Keep concise
Skills80Per skill, use all 50 slots

The 210-Character Hook Rule on LinkedIn

LinkedIn shows approximately 210 characters of your post before truncating with 'see more'. This is tighter than Twitter's 280-character limit. Your entire hook — the sentence that makes a professional stop scrolling — must live in those first 210 characters. LinkedIn's algorithm amplifies posts that get early engagement (likes and comments in the first 60–90 minutes). A strong hook drives that early engagement. A weak hook means your post gets buried regardless of how good the rest of the content is.

Key points

  • A bold claim backed by a specific number ('I landed 3 clients in 7 days without cold outreach. Here's how.')
  • A direct question your audience is asking themselves
  • A counterintuitive statement that challenges conventional wisdom
  • Never start with 'I'm excited to share...' or 'Proud to announce...' — these are the weakest openers on LinkedIn

LinkedIn Post Length: What the Algorithm Rewards

LinkedIn's algorithm has a clear preference: longer posts with high engagement outperform short posts. Unlike Twitter (where brevity wins) or Instagram (where the visual does the work), LinkedIn rewards written depth.

  • Short posts (under 300 characters) — good for quick observations, questions, or sharing a link with brief context. Low effort to write, lower reach unless it sparks debate.
  • Medium posts (300–1,300 characters) — the minimum sweet spot. Long enough to tell a story, short enough to read in under 2 minutes. Strong for personal updates, insights, and lessons learned.
  • Long posts (1,300–2,000 characters) — the highest-performing format on LinkedIn. Stories, case studies, and step-by-step breakdowns that deliver genuine value. These posts earn shares and saves.
  • Very long posts (over 2,000 characters) — use sparingly. Works for comprehensive guides and deep-dive analysis, but requires exceptional writing to keep readers engaged.

LinkedIn Headline: 220 Characters to Define Your Professional Brand

Your LinkedIn headline appears below your name everywhere on the platform — search results, comments, connection requests, messages, and your profile. It is the most-read piece of text on your LinkedIn presence. The default headline is your job title and company. That is the worst possible use of 220 characters. Pack your headline with keywords relevant to what you do — LinkedIn's internal search uses your headline to match you with searchers.

Examples: Good vs. Bad

WEAK HOOK — generic, no reason to read more

Excited to share some thoughts on leadership today. I've been reflecting on my career journey and wanted to share some lessons I've learned along the way.

STRONG HOOK — specific, creates curiosity

I was rejected by 47 companies before landing my dream job. The 48th interview was different because I stopped trying to impress them. Here's what I did instead ↓

Frequently Asked Questions

LinkedIn posts allow up to 3,000 characters. However, only approximately 210 characters appear before the 'see more' button. Your hook must fit within those first 210 characters.

LinkedIn headlines allow up to 220 characters. Most professionals drastically underuse this space by defaulting to job title and company name. Use it to describe who you help and what results you deliver.

Yes. LinkedIn comments are limited to 1,250 characters. This is enough for a thoughtful, substantive response. Comments over 300 characters tend to perform better than short one-liners.

Connection request messages are limited to 300 characters. Use every character — personalised connection requests with a clear reason for connecting are accepted at 3-5x the rate of blank requests.

The About section allows 2,600 characters. The ideal length is 1,500–2,000 characters — enough to tell your story, establish credibility, and include a call to action, without losing the reader.

Check Your LinkedIn Character Count Now

Scroll back up to the counter on this page, or open the full character counter. Either one shows whether you’re within the recommended range — along with limits for Twitter, Instagram, LinkedIn, Meta Description, and more at the same time.

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