The Ultimate Guide to LinkedIn Post Image Sizes
Visuals can make or break your professional content. Even the most insightful industry commentary or brilliant thought-leadership piece can fall flat in the feed if the accompanying image is awkwardly cropped, blurry, or pixelated.
Because LinkedIn dynamically renders media across desktop browsers and mobile apps, understanding the platform’s exact technical requirements is vital. Getting your dimensions right ensures your graphics look crisp, professional, and impactful every time.
The Core Feed Post Sizes
When publishing standard single-image updates directly to your feed, you have three primary aspect ratio choices depending on the type of content you are sharing:
- Square (1:1 Aspect Ratio) — 1080 x 1080 pixels: This is the most reliable, “no-surprises” default format. It displays consistently across desktop and mobile feeds, making it ideal for quote cards, product graphics, and general announcements.
- Portrait (4:5 Aspect Ratio) — 1080 x 1350 pixels: If your goal is maximum engagement, this is the mobile-first power play. Because a large portion of LinkedIn traffic originates on smartphones, a tall portrait graphic takes up significantly more vertical screen space, naturally keeping competing posts out of view. It is the go-to size for infographics and step-by-step breakdowns.
- Landscape (1.91:1 Aspect Ratio) — 1200 x 627 pixels: This traditional wide format is the gold standard when sharing external link previews. When you paste a URL into a post, LinkedIn pulls a preview image at roughly this proportion. If you are uploading a custom horizontal graphic to accompany a text-heavy post, stick to these dimensions to prevent unwanted edge-cropping.
Dimensions for Other Key LinkedIn Assets
Beyond regular status updates, your profile and company page rely on several other visual touchpoints that require precise sizing:
- Personal Profile Picture: 400 x 400 pixels (1:1 ratio). LinkedIn crops profile photos into circles, so keep your face or primary logo centered and avoid putting vital details near the extreme corners.
- Personal Background Banner: 1584 x 396 pixels (4:1 ratio). A brilliant space for personal branding or a value proposition statement. Just remember that your profile picture overlaps the bottom-left area on desktop (and shifts on mobile), so keep text and critical logos away from that zone.
- Company Page Logo: 300 x 300 pixels (1:1 ratio). High-contrast PNG files with transparent backgrounds perform best, keeping your brand sharp across search results and employee association tags.
- Company Banner: 1128 x 191 pixels (approx. 6:1 ratio). Noticeably shorter and wider than personal banners, this requires a custom-tailored design rather than a repurposed personal header.
- Document / Carousel Posts (PDF Carousels): 1080 x 1080 pixels (Square, 1:1) or 1080 x 1350 pixels (Portrait, 4:5) per slide. Sticking to uniform square or portrait dimensions guarantees that multi-page document PDFs swipe smoothly without unexpected visual clipping.
Technical Guardrails & Best Practices
- File Size Limits: For standard feed images, keep your files under 5MB. Profile and banner assets generally permit up to 8MB.
- Accepted Formats: Stick to JPEG or PNG for graphics and photographs. PNG is generally preferred for text-heavy graphics or clean corporate logos to prevent compression artifacts, while JPEG excels at photographic depth. WebP files are also supported for standard feed uploads.
- Design with Padding: Always leave a small breathing room (safe zone) around the edges of your text and graphics. Automated platform adjustments and UI overlays (like comment icons or timestamp badges) can occasionally crowd tightly packed designs.
By designing natively to these dimensions, you ensure your content looks professional, captures attention in a fast-moving feed, and builds immediate credibility with your network.
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