FmthubFMThub

Facebook Image Resizer & Optimizer

Create perfectly sized images for Facebook covers, posts, profiles, and ads. Optimize for both desktop and mobile users with our browser-based tool.

100% FreePrivacy FirstNo Installation

Choose Your Format

Facebook Cover Photo Size (820×312) - Free Online Tool

21:8

820×312px

≤1MBOptimize

Facebook Shared Image Optimizer (1200×630)

1.91:1

1200×630px

≤2MBOptimize

Facebook Profile Optimizer (170×170)

1:1

170×170px

≤512KBOptimize

Facebook Ad Optimizer (1200×628)

1.91:1

1200×628px

≤2MBOptimize

Why Your Facebook Images Need Optimization

Cover Photos (820×312)

Professional 820×312 pixel cover photos that display perfectly on both desktop and mobile. Responsive design that adapts to all screen sizes.

Shared Posts (1200×630)

Optimized 1200×630 pixel (1.91:1) images for maximum engagement in shared posts, links, and timeline photos. Perfect preview in news feed.