Getting your visuals right on professional networks can make or break your reach. When an image is improperly scaled, LinkedIn’s auto-cropping can chop off text, cut off crucial details, or leave awkward gray borders that distract from your message.
Whether you are sharing a graphic, a thought-leadership infographic, or a link preview, matching the correct dimensions ensures your content looks polished and professional.
The Master LinkedIn Post Size Guide
Choosing the right dimensions depends heavily on the format of your post and where your audience is viewing it. Because the majority of LinkedIn browsing happens on mobile devices, optimizing for vertical space can dramatically boost visibility.
| Format | Recommended Dimensions | Aspect Ratio | Best Used For |
| :— | :— | :— | :— |
| Square (Feed Post) | 1080 x 1080 px (or 1200 x 1200 px) | 1:1 | Infographics, quote cards, general feed posts |
| Portrait (Vertical) | 1080 x 1350 px | 4:5 | Mobile-first content, maximum feed presence |
| Landscape | 1200 x 627 px | 1.91:1 | Link previews, blog shares, wide photography |
| Carousel / Document | 1080 x 1080 px (per slide) | 1:1 | Multi-page PDF slide decks, step-by-step guides |
Deep Dive: Choosing the Right Layout
1. Square (1080 x 1080 px) — The Safe, Versatile Choice
If you aren’t sure what layout to choose, square is your safest bet. It renders predictably across both desktop monitors and smaller smartphone screens. It provides enough room for clean infographics without forcing mobile users to scroll past an oversized block of pixels.
2. Portrait / Vertical (1080 x 1350 px) — The Engagement Driver
Because mobile feeds occupy limited horizontal space, vertical images dominate the screen. A 4:5 aspect ratio forces the viewer to spend more physical scrolling time on your post. Top-performing creators frequently use vertical dimensions for text-heavy graphics or deep-dive diagrams to capture maximum attention.
3. Landscape (1200 x 627 px) — The Link Preview Standard
While landscape posts occupy less screen space on mobile, they are essential when sharing external URLs. When you drop a link into LinkedIn, the platform automatically scrapes an Open Graph image matching a 1.91:1 ratio. Designing your custom blog or website thumbnails to 1200 x 627 px prevents your link previews from looking pixelated or awkwardly cropped.
Beyond the Feed: Profile and Banner Dimensions
Your personal profile or company page acts as your digital landing page. Ensure your branding elements match these exact specifications so they don’t get compressed:
- Profile Picture: 400 x 400 pixels (1:1 ratio, cropped into a circle). Keep your face centered with a clean margin.
- Personal Cover / Banner: 1584 x 396 pixels (4:1 ratio). Note that on mobile devices, LinkedIn aggressively crops the sides of personal banners, so keep your text and logos centered.
- Company Page Cover: 1128 x 191 pixels.
Technical Guardrails and Best Practices
- File Formats: Stick to PNG for graphics, charts, and images containing text to keep sharp edges and avoid compression artifacting. Use JPG for standard photographs.
- File Size Limits: For standard image uploads, keep your file under 5 MB.
- Text Legibility: Always check your designs at a smaller scale. If you use text inside an image, make sure the font size is large enough (generally 24px or higher) to remain easily readable on a smartphone screen.
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