Complete Guide to Social Media Sizes 2025
The ultimate reference for social media image dimensions, aspect ratios, and best practices. Updated for 2025 with the latest platform requirements.
Overview & Trends for 2025
Key Trends
- • Vertical content continues to dominate (9:16 ratio)
- • Higher resolution requirements across platforms
- • Video-first approach gaining momentum
- • Mobile-optimized dimensions are essential
Common Ratios
- • 9:16 - Stories, Reels, TikTok (most popular)
- • 1:1 - Square posts, profile pictures
- • 16:9 - Landscape content, YouTube
- • 1.91:1 - Facebook, LinkedIn posts
Platform-by-Platform Guide
Story
Post
Reel
Carousel
IGTV Cover
TikTok
Video
Cover
Profile Picture
Post
Story
Cover Photo
Profile Picture
Twitter/X
Post
Header
Profile Picture
Post
Cover Photo
Profile Picture
YouTube
Thumbnail
Channel Banner
Profile Picture
Pin
Board Cover
Snapchat
Story
Spotlight
Best Practices & Tips
Design Tips
- • Always design at the highest resolution possible
- • Keep important content within safe zones
- • Use high contrast for better visibility
- • Test your designs on actual devices
- • Consider how content will look in feeds
Technical Tips
- • Use RGB color mode for digital platforms
- • Keep file sizes under platform limits
- • Use web-safe fonts for better compatibility
- • Export at 72 DPI for web use
- • Save in appropriate formats (JPG for photos, PNG for graphics)
Tools & Resources
Free Tools on This Site
Aspect Ratio Calculator
Calculate perfect dimensions for any aspect ratio
Instagram Story Size Guide
Detailed Instagram Story specifications
TikTok Cover Size Guide
Complete TikTok size requirements
Ratio Calculator
Advanced ratio calculation tools
Free Templates
Download free social media templates
Ratio SafeGuard
Advanced ratio protection tool
Conclusion
Social media platforms are constantly evolving, and staying updated with the latest size requirements is crucial for maintaining professional, high-quality content. Use this guide as your reference, and leverage our free tools to ensure your images always look perfect.
Remember: The right dimensions + great design = maximum engagement. Start optimizing your social media content today with the correct sizes and ratios!