LinkedIn Post Size Guide 2025: Optimal Dimensions for Maximum Engagement

LinkedIn Post Size Quick Reference 2025

Image Posts:

• Single image: 1200x627px
• Square post: 1080x1080px
• Vertical: 1080x1350px
• Carousel: 1080x1080px each

Video & Profile:

• Video: 1280x720px (16:9)
• Profile picture: 400x400px
• Cover photo: 1584x396px
• Company banner: 1192x220px

LinkedIn Image Post Sizes 2025

LinkedIn's image requirements have evolved to prioritize professional quality and mobile optimization. Here are the exact dimensions you need for maximum impact and engagement in 2025.

Single Image Posts

Recommended Size: 1200 × 627px

• Aspect Ratio: 1.91:1
• Perfect for LinkedIn's desktop and mobile feed
• Optimized for sharing and engagement
• Displays well when shared to other platforms
• Professional landscape format

Pro Tip: This size ensures your image won't be cropped in LinkedIn's feed and maintains professional quality across all devices.

LinkedIn Square Posts

Square Format: 1080 × 1080px

• Aspect Ratio: 1:1

Best Use Cases:

• Infographics and data visualizations
• Quote cards and motivational content
• Product showcases and announcements
• Professional headshots and team photos

Advantages:

• Consistent across all platforms
• Great for mobile viewing
• Perfect for carousel posts
• Professional and clean appearance

Considerations:

• Less space for detailed content
• May appear smaller in feed
• Not ideal for landscape images
• Requires concise messaging

Vertical LinkedIn Posts

Vertical Format: 1080 × 1350px

• Aspect Ratio: 4:5

Optimal Content Types:

• Mobile-first content and screenshots
• Long-form infographics and lists
• Step-by-step tutorials and processes
• Portrait photography and headshots

LinkedIn Carousel Posts

Carousel Specifications:

• Each Slide Size: 1080 × 1080px
• Slides Maximum: 2-10
• Upload Format: PDF

Carousel Best Practices:

• Use consistent branding across all slides
• Include slide numbers for easy navigation
• Start with an eye-catching cover slide
• End with a clear call-to-action

High-Performing Content:

• Industry insights and trends
• How-to guides and tutorials
• Case studies and success stories
• Company culture and behind-the-scenes
• Educational content and tips
• Product features and benefits

LinkedIn Video Post Sizes

Video Specifications

Recommended Resolution: 1280 × 720px (16:9)

• Minimum Length: 3 seconds
• Maximum Length: 10 minutes

Alternative Video Formats:

• Square (1:1): 1080 × 1080px
• Vertical (9:16): 1080 × 1920px
• Portrait (4:5): 1080 × 1350px

Note: 16:9 landscape format typically performs best for LinkedIn's professional audience.

LinkedIn Profile & Company Page Sizes

Personal Profile

Profile Picture: 400 × 400px

• Minimum recommended
• Square format

Background Photo: 1584 × 396px

• Aspect ratio: 4:1

Company Page

Company Logo: 300 × 300px

• Minimum square format

Cover Image: 1192 × 220px

• Aspect ratio: 5.4:1

File Size & Format Requirements

Image Requirements

• Maximum file size: 8MB
• Supported formats: JPG, PNG, GIF
• Recommended format: PNG for graphics, JPG for photos
• Color space: sRGB

Video Requirements

• Maximum file size: 5GB
• Supported formats: MP4, MOV, AVI
• Recommended codec: H.264
• Frame rate: 30fps maximum

Mobile Optimization Tips

Over 60% of LinkedIn users access the platform on mobile devices. Here's how to ensure your content looks great on all screen sizes:

Mobile Best Practices

• Use readable fonts (minimum 14px)
• Keep text concise and impactful
• Use high contrast for better readability
• Test on multiple device sizes
• Optimize images for fast loading

Common Mobile Mistakes

• Text that's too small to read
• Images that don't scale properly
• Important elements cut off on mobile
• Low-resolution images that appear pixelated
• Overcrowded designs

LinkedIn Post Design Best Practices

Professional Branding

• Consistent color scheme
• Professional typography
• Clean, minimal design
• Company logo placement
• Brand voice consistency

Content Strategy

• Value-driven messaging
• Industry insights
• Thought leadership
• Professional achievements
• Educational content

Engagement Tactics

• Ask questions
• Share experiences
• Use relevant hashtags
• Include calls-to-action
• Tag relevant connections

Recommended Design Tools for LinkedIn

Free Tools

• Canva: Templates specifically for LinkedIn
• GIMP: Free image editing software
• Unsplash: High-quality stock photos
• Google Fonts: Professional typography

Professional Tools

• Adobe Creative Suite: Professional design
• Figma: Collaborative design platform
• Sketch: UI/UX design tool
• Buffer or Hootsuite: Social media scheduling

Measuring LinkedIn Post Performance

Key Metrics to Track

• Impressions and reach
• Engagement rate (likes, comments, shares)
• Click-through rate (for links)
• Profile visits and connection requests

A/B Testing Ideas

• Square vs. landscape image formats
• Single image vs. carousel posts
• Different headline styles and lengths
• Various color schemes and branding
• Professional vs. behind-the-scenes content

Key Takeaways: LinkedIn Post Sizes 2025

Essential Dimensions

• Single posts: 1200×627px (landscape)
• Square posts: 1080×1080px
• Vertical posts: 1080×1350px
• Video: 1280×720px (16:9 ratio)
• Profile picture: 400×400px minimum

Success Factors

• Mobile-optimized design
• Professional, consistent branding
• High-quality, relevant visuals
• Clear, value-driven messaging
• Regular performance monitoring

Success on LinkedIn comes from understanding both the technical requirements and the professional context of your audience. Use these specifications as your foundation, but remember that compelling content and genuine engagement are what truly drive results on the platform.