If you want your LinkedIn content to look sharp and professional, getting the image and video specs right is non-negotiable. For a standard post with a shared link, the best size is 1200 x 627 pixels. This prevents any awkward cropping that can instantly make your post look amateur.

If you're going for a square image, a 1:1 aspect ratio (think 1200 x 1200 pixels) is your best bet. For vertical images, which are great for grabbing attention on mobile, stick to a 4:5 aspect ratio. Getting these basic specs right is the first, most important step to making a solid impression.

A Quick Reference Guide to LinkedIn Post Specs

Think of this as your cheat sheet for creating content that just works on LinkedIn. Using the wrong dimensions can lead to blurry images, text getting cut off, or videos that look strange on a phone—all things that can chip away at your professional image.

Whether you're posting a single image, a multi-page PDF carousel, or a quick video, each format has its own set of rules. Getting them wrong can completely undermine your message. It's not just about looking good; a well-formatted post signals that you care about the details.

Here’s a quick visual overview of the main media formats you’ll be working with on the platform.

LinkedIn post specifications detailing recommended sizes and requirements for image, video, and document formats.

This just scratches the surface, showing the different types of content you can create—from static images to videos and informative carousels.

LinkedIn Post Specifications At A Glance

For those times you just need the numbers and you need them now, here’s a quick-reference table. It covers the main technical details for images, videos, and documents. Bookmark this page so you can double-check your formats before you hit publish.

Post Type	Recommended Dimensions	Max File Size	Supported Formats
Image (Shared Link)	1200 x 627 pixels	5 MB	JPG, PNG, GIF
Image (Square)	1200 x 1200 pixels	5 MB	JPG, PNG
Video Post	256×144 to 4096×2304	200 MB	MP4, AVI, MOV
Document/Carousel	A4 Recommended	100 MB	PDF, PPT, DOCX

Getting these specs right makes sure your content looks polished, but that's only half the battle. To really get seen, you need that initial burst of engagement to signal to the algorithm that your post is worth showing to more people.

With our Upvote.club service, you can get that early momentum from real, verified users. Our platform works differently from others. While other services let you buy likes, Upvote.club is not about buying engagement—it's about joining a community. You can learn more about how our community helps with authentic LinkedIn growth on our site.

Getting Your Image Post Specs Just Right

On a crowded LinkedIn feed, images are your secret weapon. They're what stop the scroll. A sharp, well-framed visual is often the difference between someone flying past your post and actually stopping to read what you have to say. But if your image looks blurry or gets awkwardly cropped, you've lost before you've even started. Getting the specs right is basic.

For single image posts, LinkedIn gives you some wiggle room, but I've found that two specific formats consistently perform well, mainly on mobile—which is where most people are scrolling these days. Think of these as your go-to templates for taking up as much screen space as possible.

Recommended Image Ratios And Resolutions

To keep things looking crisp and professional, always start with a high-resolution image and stick to these two aspect ratios.

Square (1:1 Aspect Ratio): This is your all-rounder, a safe and balanced bet. Use 1200 x 1200 pixels. This size is big enough to stay sharp on any screen, from a large monitor to a small phone.
Vertical (4:5 Aspect Ratio): This one is my personal favorite for mobile. It fills up more of the vertical screen space, making it much more commanding. The best size here is 1080 x 1350 pixels.

Sure, you can post landscape images, but they just don't have the same visual punch in the feed. The square and vertical formats are much more likely to grab eyeballs and drive engagement.

File Types And Best Practices

Keep it simple: stick to JPG and PNG files. If your image has text, logos, or sharp lines, use PNG. Its compression keeps everything looking clean without artifacts. For standard photographs, JPG is perfectly fine.

One of the most common mistakes I see is people uploading a tiny image and hoping for the best. It always ends up looking blurry and pixelated. Always, always start with a high-quality source file and then export it to the recommended dimensions. You can't add pixels that aren't there.

Even with the perfect image, that initial push from the algorithm can be tough to get. We built Upvote.club to solve this exact problem. It’s a community where real users can give your post that early momentum with likes and comments. No bots are allowed, and our moderation is strict. Because our service operates on a community-based model, you get real engagement without ever sharing your password.

Maximizing Engagement With Document And Carousel Posts

If you've spent any time on LinkedIn lately, you've definitely seen them: document posts, often called carousels. These are hands-down one of the most effective ways to share detailed information. You can upload a PDF, PowerPoint, or Word doc that people can swipe through right in the feed.

This format is great for storytelling, breaking down complex topics into digestible guides, or presenting data in a visual way. Why does it work so well? It gets people to stop scrolling and start interacting, which boosts your "dwell time"—a big signal to the LinkedIn algorithm that your content is worth showing to more people.

When you're putting your document together, you only need to remember two main numbers. The maximum file size is 100MB, and the maximum page count is 300 pages. That's more than enough room to create something that shows you as an expert.

Hands holding smartphones display 1:1 and 4:5 image aspect ratios, with JPG and PNG icons.

Key Specifications for Document Uploads

To make sure your carousel looks sharp and professional, stick to these guidelines. Getting this right from the start prevents any strange formatting glitches and gives your audience a smooth, clean viewing experience.

Supported File Types: PDF, PPT, PPTX, DOC, DOCX.
Maximum File Size: 100 MB.
Maximum Page Limit: 300 pages.
Recommended Aspect Ratio: Think mobile-first. A vertical ratio like 4:5 or 9:16 is perfect. If you're starting from scratch, a standard A4 document size is also a reliable choice.

The data backs this up, too. Document posts on LinkedIn can drive much more engagement than videos and plain text posts. The high interaction rate comes from the simple act of swiping—it encourages people to actively engage with every single page. You can find more LinkedIn performance statistics on wavecnct.com.

For a post like a carousel, that initial traction is everything. The first hour, often called the 'Golden Hour,' pretty much decides how far your content will go. This is a primary reason we built Upvote.club.

With our service, you can create a task for your new carousel post, and members of our community will give it the likes and comments it needs to get early momentum. When you join Upvote.club, we give you 13 free points and 2 task slots to get started. You can use these to get your first few interactions. If you need more points, you can earn them by completing tasks for others, helping them in return. It’s a way to get your content noticed by the algorithm without using bots or putting your account at risk. And if you're looking to spark more conversation, check out our guide on how to get more LinkedIn comments.

LinkedIn Video Post Specs: What You Need to Know

Video is a powerhouse for driving engagement on LinkedIn. But before you can capture anyone's attention, you have to get past the upload screen. Getting the technical details right is the first step, and it saves you from the headache of upload errors or strange playback.

While LinkedIn is pretty forgiving, sticking to the recommended linkedin post specs for video makes sure your content looks polished and professional every time. Accepted file formats include the usual ones like MP4, AVI, and MOV.

Your video can be anywhere from 3 seconds to 10 minutes. The file size needs to be between 75 KB and 200 MB.

Digital workflow: A hand interacts with a tablet displaying documents, flowing towards a man in a watercolor splash.

Native Video vs. External Links: No Contest

Here’s one of the most important calls you'll make with your video content: upload it directly to LinkedIn (as a "native video") or just share a link from YouTube or Vimeo. It’s a simple choice with big consequences.

Native videos autoplay silently in the feed. That simple feature is a massive advantage for grabbing eyeballs and stopping the scroll. The algorithm also favors content that keeps people on the platform, so native videos consistently outperform external links in both reach and engagement. If you want to learn more, check out this guide on how to make video marketing on LinkedIn and upload native videos.

Key Video Technical Requirements

To make sure your video looks sharp on every screen, from a desktop monitor to a smartphone, dial in these technical specs.

Resolution: LinkedIn supports a huge range, from 256×144 all the way up to 4096×2304. For most high-quality videos, a standard 1080p (1920×1080) is your best bet.
Aspect Ratio: Traditional landscape (16:9) is fine, but it’s not always the best. Square (1:1) and vertical formats like 4:5 or 9:16 take up much more screen real estate on mobile devices, which is where most people are browsing. More screen space often means better performance.
Frame Rate: You can use a frame rate anywhere between 10 fps and 60 fps.
Captions: This isn't optional. A massive number of people watch videos with the sound off. Always upload an SRT file with captions to make your content understandable and make sure your message lands.

Text And Link Post Character Limits

While a great visual is what stops the scroll, your words are what actually start the conversation. For personal profiles, LinkedIn gives you a generous 3,000-character limit for the main body of your post. That's more than enough space to tell a detailed story, break down a complex idea, or offer serious commentary.

Company pages get the same deal: 3,000 characters. The strategy here is often a bit different, though. While a longer piece can build authority, you might find that shorter updates work better for brand announcements or quick tips. The real secret is making it readable—use short paragraphs and plenty of white space to keep people from getting lost in a wall of text.

Customizing Your Link Previews

When you drop a link into a post, LinkedIn does its best to generate a preview with a title, a short description, and an image. The ideal image size for that preview is 1200 x 627 pixels. If you stick to those dimensions, your image will show up looking sharp and clear, without any weird cropping. It makes your content look way more professional and clickable.

You can usually set this preview image on your own website's backend using Open Graph tags. This gives you total control over how your content looks when it's shared on LinkedIn and other platforms. A great image here is non-negotiable; it's what grabs people's attention and gets them to click.

Getting your text and link previews right is the first step, but even a perfectly formatted post can get lost in a busy feed. That first hour after you hit "post" is extremely important for gaining momentum.

This is where our Upvote.club service can give you that initial push. Our community is full of real, verified users who can provide genuine likes and comments right after you post. We have strict anti-bot moderation and you can see who completes each task, which means all engagement is real. This sends a strong signal to the LinkedIn algorithm that your content is engaging, helping it reach a much wider audience organically.

How Initial Engagement Affects Post Reach

Getting the technical LinkedIn post specs right is just one side of the coin. A perfectly sized image or video won't get you far if the algorithm never shows it to anyone. The make-or-break moment happens in the first 60 minutes after you hit "post"—a window often called the 'Golden Hour.'

Think of it this way: early likes, comments, and shares are like votes of confidence. They signal to LinkedIn that your post is sparking conversation and is worth showing to more people. Without that initial burst of activity, even the best content can get buried, never reaching its full organic potential.

The Importance of the Golden Hour

The logic here is pretty simple. LinkedIn’s main goal is to keep users on the platform by showing them interesting, engaging content. A post that gets immediate interaction is a clear sign of quality in the algorithm's eyes. This is why that first wave of engagement is so important for getting any real visibility.

A huge chunk of your post's total reach is determined in that first hour. Content that does well right out of the gate is more likely to land in the feeds of your second and third-degree connections.

This is the core mechanic behind growing your reach. Getting quick, real interactions is the key to unlocking a much wider audience.

Kickstarting Your Post's Performance

But let's be real—getting that instant feedback can be tough. You hit publish and… nothing. That’s precisely the problem we built Upvote.club to solve. With our service, you can get real engagement from real, verified people right when you need it most. This isn't about buying fake interactions; it's a community where everyone helps each other get their content seen.

With Upvote.club, you can post a task for your new content and get the early likes needed to build momentum. It's a straightforward way to give your post a fighting chance in the Golden Hour without using bots or sharing your password. You can check out how our community provides authentic LinkedIn likes on our site.

And remember, beyond the post itself, your personal brand plays a big part in how people initially engage with your content. A polished, professional look starts with your profile. Learning how to create one of the best LinkedIn profile pictures can seriously boost that all-important first impression.

Common Mistakes To Avoid With LinkedIn Posts

Knowing the right LinkedIn post specs is a great start, but it's only half the battle. So many creators accidentally shoot themselves in the foot with simple, fixable errors that kill their post's reach and make them look unprofessional.

One of the most common slip-ups I see is uploading low-resolution images or videos. If your content looks blurry or pixelated, it instantly screams "low quality," and people will scroll right on by. Always export your visuals at the recommended dimensions—like 1200 x 627 pixels for link images—to keep everything looking crisp.

Another huge one is forgetting about the mobile experience. The vast majority of people are scrolling LinkedIn on their phones, so content that isn't optimized for a vertical screen just falls flat. A landscape video, for example, looks tiny on a phone compared to a square or vertical one.

Formatting And Strategy Errors

Beyond the technical stuff, some strategic missteps can really hold your posts back. These are less about the file specs and more about how you present and push your content.

Hashtag Overload: Jamming your post with a dozen irrelevant hashtags looks spammy and just confuses the algorithm. It's much better to stick to 3-5 highly relevant tags that accurately describe your content.
Forgetting a Call-to-Action: You've got their attention, now what? If you don't guide your audience on what to do next—ask a question, invite comments, point them to a link—you're leaving a ton of potential engagement on the table.
The "Post and Pray" Method: Just hitting publish and hoping for the best is a recipe for disappointment. That first hour is so important, and initial engagement is what tells the algorithm your content is worth showing to more people.

Posting without an initial engagement strategy is like launching a ship without pushing it from the dock. It needs that first nudge to catch the current and travel far.

With our Upvote.club service, you can give your posts that necessary push. We built our community-driven platform to help you get real likes and comments from verified human accounts during that 'Golden Hour.' We make this powerful method accessible to everyday users. This gives your content the early traction it needs to get seen. And if you're looking to extend your reach even further, learning how to encourage organic sharing is a fantastic strategy; we cover that in our guide on getting valuable LinkedIn reposts.

Common Questions (And Quick Answers) About LinkedIn Specs

Even after you've got the basics down, a few tricky questions about LinkedIn post specs always seem to pop up. I get it. You’ve crafted the perfect post, and the last thing you want is a blurry video or a cropped image messing it up.

Here are some of the most common issues I see, with straightforward answers to get you back on track.

Man points to blurred phone image, surrounded by vibrant watercolor splashes.

What's The Best Image Size For Mobile Viewing?

Think vertical. While a standard 1:1 square (1200 x 1200 pixels) is perfectly fine, a 4:5 vertical image (1080 x 1350 pixels) is a game-changer on mobile.

It simply takes up more of the screen as someone scrolls, making your post much harder to ignore. That extra real estate can be the difference between a pause and a scroll-by.

Why Do My Videos Look Blurry?

Nine times out of ten, blurry videos come down to two culprits: low source quality or heavy compression. LinkedIn has to compress your file, so you need to give it a great starting point.

Always begin with a high-quality video file, preferably 1080p (1920 x 1080 pixels). When you're exporting it, make sure the bitrate is high enough to keep things crisp, but not so high that you blow past LinkedIn’s 200 MB file size limit. It's a bit of a balancing act.

How Can I Create A Document Carousel That Actually Works?

A great carousel isn't just a PDF dump; it's a visual story that pulls people from one slide to the next.

Go Vertical: Design your slides in a portrait layout, like an A4 document or a 4:5 ratio. It feels more natural on mobile.
Hook Them Fast: Your first slide is your headline. It needs a bold title and an eye-catching visual to make someone stop and swipe.
Less is More: Use short sentences, big fonts, and bullet points. Each slide should make a single, clear point.
End with a Nudge: The last slide is your call to action. Ask a question to get comments flowing or tell people what to do next.

A well-made carousel is more than just a content format; it’s an engagement magnet. That swipe-through action keeps people on your post longer, which is a huge signal to the LinkedIn algorithm that your content is good.

Getting the specs right is step one, but getting your post seen requires some initial traction. This is exactly why we started Upvote.club. We created a community to help you get those first likes and comments that tell the algorithm your post is worth showing to more people.

At Upvote.club, we're all about giving great content the push it needs. Our community-based platform helps you get real engagement from verified users, making sure your post has the best shot at performing well in that first hour. Check out our solutions for Twitter and other platforms to learn more.