What is the best image size for Facebook posts?
The recommended size for Facebook post images is 1200×630 pixels (1.91:1 ratio). Square images at 1200×1200 also perform well. Facebook displays images at up to 1200px wide in the feed.
Does Facebook reduce image quality?
Yes, Facebook compresses uploaded images. To minimize quality loss, upload at the recommended dimensions, use JPEG at 95% quality or PNG, and keep file size under 15MB.
What aspect ratios work for Facebook posts?
Facebook supports aspect ratios from 9:16 to 16:9 in feed posts. The most common are 1.91:1 (landscape), 1:1 (square), and 4:5 (portrait). Images outside these ratios may be cropped.