Every social platform has specific image dimension requirements. Getting them wrong means cropped profile pictures, distorted covers, and blurry posts that undermine your brand.
Profile: 320x320px. Square post: 1080x1080px. Portrait post: 1080x1350px (maximises feed space). Story/Reel: 1080x1920px. Carousel: 1080x1080px per image.
Profile: 400x400px (displays as circle — centre your subject). Banner: 1584x396px. Post image: 1200x627px. Company logo: 300x300px.
YouTube
Channel icon: 800x800px. Channel art: 2560x1440px (safe zone 1546x423px centred). Thumbnail: 1280x720px (16:9).
Cover photo: 820x312px desktop / 640x360px mobile — design for mobile with key content centred. Post image: 1200x630px.
Twitter / X
Banner: 1500x500px. Post image: 1200x675px. Keep critical content in the centre 600x335px safe zone.
Resize any image to exact platform dimensions with the UltraToolkit Image Resizer — enter the target width and height, aspect ratio lock optional.