Why Image Dimensions Matter

Using the wrong image size has real consequences: blurry hero images, awkwardly cropped profile pictures, slow-loading pages, and platform-specific display issues. This guide gives you the exact pixel dimensions you need for every major use case in 2026.

Website Images

Use CaseRecommended SizeAspect Ratio
Full-width hero / banner1920 × 1080 px16:9
Blog post header1200 × 630 px~1.91:1
Product thumbnail800 × 800 px1:1
Sidebar image400 × 300 px4:3
Background (4K screens)3840 × 2160 px16:9
Favicon32 × 32 px or 64 × 64 px1:1

Social Media Image Sizes

Platform & FormatRecommended Size
Instagram post (square)1080 × 1080 px
Instagram portrait post1080 × 1350 px
Instagram Story / Reel1080 × 1920 px
Facebook post image1200 × 630 px
Facebook cover photo820 × 312 px
Twitter / X post image1200 × 675 px
Twitter / X header1500 × 500 px
LinkedIn post image1200 × 627 px
LinkedIn banner (personal)1584 × 396 px
YouTube thumbnail1280 × 720 px
YouTube channel art2560 × 1440 px
Pinterest pin1000 × 1500 px

Print Dimensions

Print FormatSize at 300 DPI
A4 (210 × 297 mm)2480 × 3508 px
Letter (8.5 × 11 in)2550 × 3300 px
4 × 6 in photo print1200 × 1800 px
5 × 7 in photo print1500 × 2100 px
8 × 10 in photo print2400 × 3000 px

How to Resize to These Dimensions

Use the Resize Image tool on ImageYantra to set exact pixel dimensions instantly. For social media crops (like Instagram squares), use the Crop Image tool with the 1:1 aspect ratio preset. For changing resolution to 1080p or 4K, use the Change Resolution tool.

Open Resize Image Tool