Social media image size cheatsheet
Every recommended dimension for Instagram posts, Reels, stories, TikTok videos, LinkedIn carousels and more, in one searchable table. Filter by network, search by format. Sizes match each platform's current official spec.
| Network | Format | Dimensions | Ratio | Notes |
|---|---|---|---|---|
| Feed image | 1200 x 630 | 1.91:1 | Default landscape post | |
| Square image | 1200 x 1200 | 1:1 | Better mobile feed performance | |
| Story / Reel | 1080 x 1920 | 9:16 | Same as Instagram safe zones | |
| Cover photo | 820 x 312 | 2.6:1 | Mobile crops to 640 x 360 center | |
| Event cover | 1920 x 1005 | 1.91:1 | Crops to 1.91:1 on share |
Image specs that move the needle
Aspect ratio beats resolution
Networks crop or letterbox anything that doesn't match the expected ratio (1:1, 4:5, 9:16, 16:9, 1.91:1). Design at the listed ratio first. Resolution is secondary.
Hit the sweet spot, not the ceiling
Most networks compress aggressively above 1080 to 1440px wide. Exporting at the recommended size gives the cleanest output and the smallest upload.
Mobile is the canvas
Most social impressions happen on mobile. Test every image at thumbnail size, in feed and on a phone, before you schedule. Tiny text and busy edges disappear.
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