Free Online LinkedIn Character Counter
Count characters for LinkedIn posts (3,000), headlines (220), and About sections (2,600) in real-time. Write content that gets seen — with a live counter and LinkedIn algorithm tips.
- 1Posts over 1,300 chars get hidden — put your hook in the first 3 lines
- 2Line breaks every 1–2 sentences dramatically increase readability
- 3Tag people and companies to extend organic reach
- 4Tuesday–Thursday, 8–10 AM local time gets the best engagement
- 5End with a single question to drive comments (the #1 reach signal)
- 6Your headline (220 chars) shows in search — optimize it with keywords
What is a LinkedIn Character Counter?
A LinkedIn character counter is a free online tool that counts the characters in your LinkedIn posts, headlines, and About section drafts — showing you in real-time how many characters you have used and how many remain before hitting LinkedIn's limits.
LinkedIn has three critical character limits for professional content creators and job seekers:
- LinkedIn post limit: 3,000 characters — LinkedIn posts can be up to 3,000 characters long. However, there is a crucial secondary threshold: LinkedIn collapses posts at approximately 1,300 characters on desktop feeds with a "See more" button. Mobile shows even less before truncating. This means your opening 2–3 lines need to deliver your hook before the fold.
- LinkedIn headline limit: 220 characters — Your LinkedIn headline appears directly under your name in search results, connection requests, and the newsfeed. It is often the first and only thing people read about you. A well-crafted headline with relevant keywords dramatically improves your LinkedIn search visibility.
- LinkedIn About section limit: 2,600 characters — The About section (formerly LinkedIn Summary) is your professional narrative. LinkedIn only shows the first ~300 characters before the "see more" prompt, so your opening paragraph needs to be compelling.
Why LinkedIn character limits matter for professional success:
LinkedIn's algorithm rewards content that generates early engagement (comments, likes, shares) in the first 60–90 minutes after posting. Posts that get hidden behind "See more" too quickly tend to underperform because readers disengage before reaching the CTA or question that drives comments. Strategic use of LinkedIn's character limits — putting your hook in the first 1,300 characters and a question at the end — is one of the clearest differences between viral LinkedIn content and posts that go unnoticed.
How to Use Our LinkedIn Character Counter
Select the field you want to work on — Post (3,000 chars), Headline (220 chars), or About (2,600 chars) — using the field selector at the top of the editor. Paste or type your content and the counter updates in real-time.
The hero count card shows your current count and remaining characters for the active field. The progress bar turns yellow at 80% and red at the limit.
For LinkedIn posts:
1. Write your first 1–3 lines as your hook — this is all most people see in the feed
2. Put your most important insight, story, or question above the fold (before ~1,300 chars)
3. End with a single question — this is the strongest driver of LinkedIn comments
4. Tag relevant people and companies in the body of the post, not just at the end
For LinkedIn headlines:
- Include your job title or role and your primary keyword or value proposition
- Use | or to separate sections (they count as characters but save space visually)
- 220 characters sounds like a lot, but LinkedIn shows fewer in many contexts
For the About section:
- Write your first 300 characters as an elevator pitch — shown before "see more"
- Use the full 2,600 characters if you have the content — longer About sections rank better in LinkedIn search
Frequently Asked Questions
What is LinkedIn's character limit for posts in 2025?
LinkedIn posts can be up to 3,000 characters long. However, LinkedIn's feed shows only approximately 1,300 characters on desktop before adding a 'See more' button. On mobile, even fewer characters are visible before truncation. This means your post's hook, value, and question need to appear within the first 1,300 characters.
What is LinkedIn's headline character limit?
LinkedIn headlines have a 220-character limit. Your headline appears in search results, connection requests, 'People You May Know' suggestions, post bylines, and message previews. Because it appears in so many contexts — often truncated to just 60–100 chars — put your most important keywords first.
What is LinkedIn's About section character limit?
LinkedIn's About section (also called LinkedIn Summary) allows up to 2,600 characters. LinkedIn shows approximately 300 characters before the 'see more' prompt on profiles, so write your opening paragraph as a standalone hook that communicates your professional value clearly.
How many characters does LinkedIn show before 'See more'?
LinkedIn shows approximately 1,300 characters of a post before adding a 'See more' button on desktop. On mobile, the threshold is lower — roughly 700–900 characters depending on device and font settings. For maximum reach, ensure your key insight, hook, or question appears well before the 1,300-character mark.
What is the ideal LinkedIn post length for engagement?
LinkedIn posts perform best at two distinct lengths: very short posts (under 300 characters) that are pithy and punchy, or longer posts (1,000–3,000 characters) that tell a complete story. Medium-length posts (400–800 characters) tend to underperform. The most viral LinkedIn content tends to be 1,500–2,500 characters — long enough to deliver value, short enough to finish reading.
Do LinkedIn polls count toward the character limit?
LinkedIn polls have separate character limits from text posts. Poll questions can be up to 140 characters and each answer option up to 30 characters. When you add a poll to a LinkedIn post, the post text still has a 3,000-character limit separate from the poll itself.
What are the best times to post on LinkedIn for reach?
LinkedIn's professional user base means content performs best during business hours: Tuesday through Thursday between 8–10 AM and 12 PM local time. Monday mornings and Friday afternoons see lower engagement. Posting consistently at the same time each week also helps LinkedIn's algorithm learn when your audience is active.
Should I write LinkedIn posts in the LinkedIn app or here first?
We recommend drafting LinkedIn posts here first, then pasting them into LinkedIn. The reasons: (1) our counter shows you exactly where the 1,300-character 'See more' threshold is, (2) you can edit freely without LinkedIn's character counter looming over you, (3) your draft is auto-saved locally, and (4) you can use the Copy button to paste perfectly formatted text into LinkedIn with one click.