The Ultimate Guide to LinkedIn Post Image Sizes: Stop Blurring Your Brand

Picture this: You’ve spent hours crafting the ultimate LinkedIn thought-leadership post. It has a compelling hook, crisp formatting, and a valuable takeaway. You attach a graphic you designed, hit publish, and walk away.

An hour later, you check back on desktop or mobile—and your stunning graphic looks like a pixelated mosaic, or worse, crucial text on the sides has been awkwardly chopped off.

Nothing kills professional credibility faster than a poorly formatted image. Because over 60% of LinkedIn traffic happens on mobile devices, understanding exact image dimensions isn’t just about aesthetics; it’s about claiming precious screen real estate and driving engagement.

This complete guide breaks down the exact LinkedIn post image sizes you need to know, alongside a cheat sheet for all other critical profile assets.

1. The Core LinkedIn Feed Post Sizes

When uploading a single image to your feed, you have three primary orientation choices. Picking the right one depends entirely on what you are sharing:

A. Portrait (1080 x 1350 pixels) — The Engagement Winner

• Aspect Ratio: 4:5
• Best For: Infographics, high-value visual takeaways, step-by-step guides, and thought-leadership quote cards.
• Why use it: Portrait is the undisputed king of mobile feeds. Because it takes up the maximum vertical screen estate allowed before cropping, it forces scrollers to pause longer on your content. If you want maximum visibility, make this your default format.

B. Square (1080 x 1080 pixels) — The Safe All-Rounder

• Aspect Ratio: 1:1
• Best For: Clean graphic design, product shots, and general branding.
• Why use it: If you aren’t sure how your graphic will render across desktop and tablet vs. mobile apps, square is your safest bet. It displays neatly without unexpected cropping and works brilliantly if you are publishing a multi-image carousel post (via PDF/document upload).

C. Landscape (1200 x 627 pixels) — The Link Share Standard

• Aspect Ratio: 1.91:1
• Best For: Link previews, external blog shares, and broad landscape photography.
• Why use it: This is LinkedIn’s traditional default ratio. While it leaves a lot of blank whitespace above and below on mobile phone screens, it is essential when you are dropping an external URL link into a post, as LinkedIn automatically generates a landscape preview card around these dimensions.

2. Master LinkedIn Image Size Cheat Sheet

Beyond the standard feed post, your profile and company pages require specific sizing to look pristine. Keep this quick-reference table handy:

| Placement | Recommended Dimensions (px) | Aspect Ratio | Key Notes |
| :— | :— | :— | :— |
| Feed Post (Portrait) | 1080 x 1350 | 4:5 | Maximizes mobile screen time. |
| Feed Post (Square) | 1080 x 1080 | 1:1 | Universal, clean, never awkwardly cropped. |
| Feed Post (Landscape) | 1200 x 627 | 1.91:1 | Ideal for link previews and blog shares. |
| Carousel Slides (PDF) | 1080 x 1080 or 1080 x 1350 | 1:1 or 4:5 | Render smoothly as document uploads. |
| Personal Profile Photo | 400 x 400 (up to 8MB) | 1:1 | Cropped into a circle; keep your face centered. |
| Personal Banner / Background | 1584 x 396 | 4:1 | The left third is covered by your profile picture. |
| Company Page Cover | 1128 x 191 | ~5.9:1 | Shorter than personal banners—do not mix them up! |

3. Golden Rules to Keep Your Images Crisp

Knowing the pixel dimensions is only half the battle. Follow these best practices to ensure your visual assets always shine:

File Formats Matter: Use JPEG/JPG for natural photographs or complex multi-color images to keep file sizes small. Use PNG for text-heavy graphics, UI mockups, or logos to keep text razor-sharp. LinkedIn also supports WebP compression.

• Watch the File Size Caps: LinkedIn generally restricts single-image posts to a maximum of 5MB to 10MB. Exceeding this will result in upload errors or aggressive automatic compression by the platform.
• Beware the Two-Banner Trap: One of the most common branding mistakes is designing a personal banner (1584 x 396 px) and uploading it directly to a company page (1128 x 191 px). Because company banners are much shallower, LinkedIn will aggressively crop the top and bottom of your layout, slicing off your tagline. Always create separate templates.
• Design with Safe Zones: For profile and background banners, keep essential branding elements, text, and logos away from the outer edges and the bottom-left corner (where your profile circle overlaps).

By matching your content to the right aspect ratio—favoring tall portrait dimensions for standalone thought leadership and square layouts for carousels—you’ll ensure your content commands attention the second a user stops scrolling.