The Ultimate Guide to LinkedIn Post Image Sizes (2026 Edition)

First impressions matter. In the fast-moving LinkedIn feed, you have about two seconds to stop a user from scrolling past your post. While your hook and headline do heavy lifting, a crisp, professional, and perfectly sized image is your best weapon for capturing attention.

Yet, nothing kills the professionalism of a brand faster than a stretched portrait, a cropped-off headline, or a blurry, pixelated rectangle. Because LinkedIn frequently updates its layout and rendering algorithms, keeping track of the ideal dimensions can feel like hitting a moving target.

Whether you’re sharing a company announcement, publishing a thought-leadership article, or launching a carousel, this comprehensive guide covers everything you need to know about LinkedIn post image sizes to make your content look pristine every single time.

Why Image Size Matters on LinkedIn

Before diving into the pixel counts, it’s worth noting why getting the dimensions right is crucial:

1. Maximum Visual Impact: Correctly sized images display fully without awkward auto-cropping by LinkedIn’s rendering engine.
2. Professional Credibility: Blurry or awkwardly cut-off images signal a lack of attention to detail.
3. Optimized Engagement: Posts with high-quality visual assets consistently garner higher click-through rates (CTR) and dwell time, telling the algorithm that your content is worth promoting.

Cheat Sheet: LinkedIn Image Sizes at a Glance

| Post Type | Ideal Aspect Ratio | Recommended Dimensions (Pixels) |
| :— | :— | :— |
| Standard Feed Post (Square) | 1:1 | 1080 x 1080 px |
| Portrait Feed Post (Vertical) | 4:5 | 1080 x 1350 px |
| Shared Link Preview (Landscape) | 1.91:1 | 1200 x 627 px |
| Carousel / Document PDF | 4:5 or 1:1 | 1080 x 1350 px (Recommended) |
| Company Page Banner | ~4:1 | 1128 x 191 px |
| Personal Profile Banner | ~4:1 | 1584 x 396 px |

Deep Dive: Breakdown by Format

1. The Standard Feed Post (Square & Portrait)

When you upload a single image directly to LinkedIn, you have two primary options that dominate the feed effectively:

• Square (1:1 Ratio) — 1080 x 1080 px: The classic, safe choice. It works seamlessly across mobile devices and desktop screens, ensuring nothing gets cut off unexpectedly.
• Portrait / Vertical (4:5 Ratio) — 1080 x 1350 px: The Gold Standard for Engagement. Vertical images take up more vertical real estate on mobile feeds (where the majority of LinkedIn users browse). If you want your post to command the screen as users scroll, use a 4:5 aspect ratio.

Tip: Avoid extreme portrait dimensions (like 9:16 stories formats), as LinkedIn will aggressively crop them or add awkward white/grey side padding.

2. Link Previews (Shared Articles & Blog Posts)

When you paste a URL into a LinkedIn post, LinkedIn automatically scrapes the Open Graph (OG) image from that website.

• Dimensions: 1200 x 627 pixels (1.91:1 ratio).
• Best Practice: Always ensure your blog or website features a designated OG image matching these exact dimensions. If your preview image looks small or blurry, you can manually upload a custom image alongside your link, or use LinkedIn’s Post Inspector tool to clear the cache.

3. Document Posts & Carousels (PDFs)

Document uploads—commonly referred to as carousels or swipe-throughs—remain one of the highest-performing content formats on LinkedIn for education and thought leadership.

• Dimensions: 1080 x 1350 pixels (4:5 ratio) per slide, exported as a single high-resolution PDF.
• Why it works: Designing your slides vertically gives readers a larger canvas to absorb digestible text, data visualizations, and frameworks without feeling cramped.

4. Banners & Cover Photos

While not “posts” in the traditional feed sense, your profile and company page banners act as the billboard for your personal brand or business:

• Personal Profile Background: 1584 x 396 px. Keep in mind that your circular profile picture overlaps the bottom-left corner of this banner on desktop, so avoid placing critical text or logos there.
• Company Page Banner: 1128 x 191 px. Keep your branding clean, bold, and centrally aligned.

5 Pro Tips for Flawless LinkedIn Visuals

1. Design with Mobile in Mind: Over 70% of LinkedIn traffic originates from mobile devices. If your text is too small on a desktop screen, it will be completely illegible on a smartphone. Aim for body font sizes no smaller than 24pt–30pt on your graphic design templates (like Canva).
2. Mind the Safe Zones: Keep crucial elements (logos, headlines, call-to-actions) centered with plenty of padding around the edges. LinkedIn occasionally overlays UI elements or rounds corners slightly.
3. Stick to Supported Formats: Stick to PNG or JPEG for standard graphics and photos. Avoid GIFs for static posts unless you are uploading an actual animated GIF, though keep file sizes under 5MB for smooth loading.
4. Use Design Templates: Create a consistent brand kit in tools like Canva, Figma, or Adobe Express using the 1080 x 1350 px or 1080 x 1080 px dimensions so you never have to guess sizes again.
5. Test Before You Publish: If you are unsure how an image will render, schedule the post or save it as a draft, then preview it on both your desktop browser and your mobile app before hitting publish.

Wrapping Up

Mastering LinkedIn image sizes isn’t just about avoiding ugly auto-crops; it’s about respecting your audience’s time and delivering a polished, professional experience. By optimizing your visuals to 1080 x 1350 pixels for vertical posts or 1080 x 1080 pixels for squares, you ensure your content looks sharp, commands attention, and performs at its absolute best in the feed.