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Social Media Post Size Guide
Complete reference for optimal social media post dimensions across all major platforms. Stay updated with the latest size requirements for maximum engagement.
TikTok
Twitter/X
YouTube
Why Social Media Post Sizes Matter
Using the correct social media post dimensions is crucial for maximizing engagement and maintaining professional appearance across platforms. Each social media platform has specific size requirements that optimize how your content appears in users' feeds, stories, and profiles. Proper sizing ensures your images are crisp, properly cropped, and display exactly as intended.
When you upload images that don't match platform specifications, they may be automatically cropped, compressed, or distorted, leading to poor visual quality and reduced engagement. Understanding these dimensions helps you create content that looks professional and performs better across all social media channels.
Platform-Specific Guidelines
Instagram Best Practices
Instagram favors square (1:1) and vertical (4:5) formats. Square posts work well for product photos and portraits, while vertical posts are ideal for showcasing tall content. Stories and Reels use the full vertical format (9:16) for maximum screen coverage on mobile devices.
TikTok Optimization
TikTok's vertical format (9:16) is designed for mobile viewing. This aspect ratio ensures your content fills the entire screen, creating an immersive experience. Always use 1080×1920 for videos to maintain quality across all devices.
Twitter/X Considerations
Twitter supports multiple formats but landscape (16:9) performs best for engagement. Square images work well for product shots, while portrait images are ideal for infographics and quotes. Keep in mind that Twitter compresses images, so use high-quality sources.
LinkedIn Professional Standards
LinkedIn favors professional, clean imagery. Square posts (1:1) work well for company updates and product launches, while landscape posts (1.91:1) are ideal for articles and detailed content. Maintain consistent branding across all LinkedIn visuals.
Best Practices for Social Media Images
- Use high-resolution images: Always start with images that are at least the recommended size or larger to ensure quality after compression.
- Maintain aspect ratios: Don't stretch or distort images to fit different formats - create platform-specific versions instead.
- Consider mobile viewing: Most users view social media on mobile devices, so ensure your content looks great on small screens.
- Test different formats: Experiment with square, landscape, and portrait formats to see what performs best for your audience.
- Keep text readable: Ensure any text in your images is large enough to read on mobile devices.
- Use consistent branding: Maintain visual consistency across all platforms while adapting to each platform's optimal dimensions.
Common Mistakes to Avoid
Using Wrong Aspect Ratios
Uploading landscape images to platforms that favor square formats results in awkward cropping and reduced visual impact. Always create platform-specific versions of your content.
Ignoring Mobile Optimization
Since most social media consumption happens on mobile devices, ensure your images are optimized for small screens and vertical viewing.
Using Low-Resolution Images
Low-resolution images appear blurry and unprofessional. Always use high-quality source images and export at the recommended dimensions.
Inconsistent Sizing Across Platforms
Using the same image size across all platforms often results in poor performance. Tailor your content to each platform's specifications for optimal results.
Social Media Post Size FAQ
Common questions about social media image dimensions and optimization