Key takeaways
- The LinkedIn post preview redraws a feed mockup on every keystroke, and nothing you enter leaves your browser tab.
- LinkedIn folds a post after roughly 210 characters on desktop and about 140 on mobile, behind “...see more”.
- Your name, your headline (up to 220 characters) and your avatar appear above every post you publish.
- A post can hold up to 3,000 characters, with spaces and line breaks included in the count.
- The mockup is a close approximation of LinkedIn’s layout, and real rendering can differ by device and app version.
A LinkedIn post preview puts your draft inside a mockup of the LinkedIn feed, so you can see where “...see more” cuts the text and how your photo and headline frame the post before you publish. Type into the fields above and the card redraws as you write; nothing you enter leaves this browser tab.
How do you preview a LinkedIn post?
It takes three steps, and you don’t need an account.
- Add your details. Enter your name, headline, avatar, post text and an image. All of it stays inside this tab.
- Watch the card change. Each keystroke redraws the LinkedIn card and marks the spot where the feed folds your text away.
- Switch between views. Flip from desktop to mobile and confirm the post still reads well on both screens.
Why check a LinkedIn post before you publish it?
The box you write in on LinkedIn shows plain text and nothing else. It won’t show your avatar beside the post, how an image gets cropped, or how many words stay visible before “...see more” hides the rest.
Most people only find out how a post looks once it is live. By then the first readers have already seen the weak version and scrolled on.
The fold is the part of the mockup that matters most. LinkedIn shows roughly 210 characters on desktop and around 140 on mobile before it collapses the text. Most LinkedIn reading happens on phones, so rework your opening two or three lines until they say something complete inside the shorter mobile cut.
What appears next to every LinkedIn post?
Your name, your headline and your profile photo sit directly above each post you publish. The headline can run to 220 characters, and readers see it before they reach your first line.
A grey placeholder avatar or a headline from two jobs ago can weaken a good post before anyone reads a word of it. The preview lets you fill in all three and look at the finished card as a whole.
Bold or italic lines made with a Unicode formatter render in the mockup the same way they will in the feed, so you can check styled text too. If you want to add that styling, the LinkedIn Text Formatter converts plain text into Unicode bold and italics.
Which LinkedIn character limits does the preview check?
| Where you type | Max characters | What the limit covers |
|---|---|---|
| Post | 3,000 | Spaces and line breaks count too |
| About section | 2,600 | The summary on your profile |
| Headline | 220 | Shown beside each post and comment you write |
| Comment | 1,250 | Applies to each comment |
| Connection request note | 300 | The optional personal message |
| Article headline | 100 | Title of an article or newsletter issue |
To count a draft against these numbers without the mockup, paste it into the LinkedIn Character Counter.
How close is the mockup to the real LinkedIn feed?
It follows the LinkedIn layout closely, but LinkedIn doesn’t publish an official renderer, so treat the card as a near match. The real feed can shift by a few characters depending on the phone, the browser and the version of the LinkedIn app.
That is why the cut-off figures above are written as “roughly” and “around”. Leave yourself a little room before the fold instead of placing the last word of your hook exactly on it.
Free tools to finish your post
- LinkedIn Character Counter: count characters against each limit
- LinkedIn Text Formatter: bold, italic and other Unicode styles
- LinkedIn Line Break Generator: keep the blank lines between paragraphs
- LinkedIn Hook Generator: draft opening lines that fit before the fold
- LinkedIn Image Resizer: fit a photo to LinkedIn’s sizes
- The full list of free LinkedIn tools
What to do once the post is published
A clean layout gets you the first glance. Early reactions and comments from real people are among the signals LinkedIn reads when it decides how far to show a post.
On LinkedInLikes, members react to each other’s posts by hand from their own LinkedIn accounts. You paste your post link, set how many likes you want and how many points each one is worth, and you get points back by reacting to other members’ posts. New accounts start with 100 points. Ask the community to like your LinkedIn post.
More on growing on LinkedIn
Frequently asked questions
After roughly 210 characters on desktop and around 140 on mobile. The preview marks both cut-offs so you can check them side by side.
Yes. Text styled with a LinkedIn formatter appears in the mockup the way it will appear in the feed.
Yes. Add the image and look at how it sits under your text before you publish.
It closely follows the LinkedIn layout, yet it is our approximation and not an official LinkedIn rendering. The real feed can vary with the device and the app version.
No. The preview runs in your browser, and what you type or add stays in this tab.
3,000 characters. About 210 of them show on desktop and about 140 on mobile before “...see more”.
According to OutX, a new post passes a quality filter in its first 15 minutes, then gets a test with a small audience lasting up to 90 minutes. If early reactions and comments are strong, wider distribution can continue for up to 48 hours.