Perfect Image Sizes for Instagram, Facebook, Twitter & LinkedIn in 2026
Using the wrong image size on social media can make your posts look blurry, cropped or unprofessional. This cheat sheet gives you the exact dimensions for every major platform in 2026.
Instagram Image Sizes
| Type | Dimensions | Aspect Ratio |
|---|---|---|
| Square Post | 1080 x 1080 px | 1:1 |
| Portrait Post | 1080 x 1350 px | 4:5 |
| Landscape Post | 1080 x 566 px | 1.91:1 |
| Story / Reel | 1080 x 1920 px | 9:16 |
| Profile Photo | 320 x 320 px | 1:1 |
Pro tip: Use 4:5 portrait posts — they take up the most screen space and get 20%+ more engagement than square posts.
Facebook Image Sizes
| Type | Dimensions | Aspect Ratio |
|---|---|---|
| Feed Post | 1200 x 630 px | 1.91:1 |
| Square Post | 1080 x 1080 px | 1:1 |
| Cover Photo | 1640 x 924 px | 16:9 |
| Story | 1080 x 1920 px | 9:16 |
| Profile Photo | 176 x 176 px | 1:1 |
Twitter / X Image Sizes
| Type | Dimensions | Aspect Ratio |
|---|---|---|
| In-Feed Image | 1200 x 675 px | 16:9 |
| Header Photo | 1500 x 500 px | 3:1 |
| Profile Photo | 400 x 400 px | 1:1 |
LinkedIn Image Sizes
| Type | Dimensions | Aspect Ratio |
|---|---|---|
| Feed Post | 1200 x 627 px | 1.91:1 |
| Square Post | 1080 x 1080 px | 1:1 |
| Banner Image | 1584 x 396 px | 4:1 |
| Profile Photo | 400 x 400 px | 1:1 |
File Size Recommendations
All platforms compress your images when you upload them. To minimize quality loss:
- Keep file size under 1 MB for regular posts
- Use JPEG at 85-95% quality for photos
- Use PNG for graphics with text (avoids JPEG artifacts)
- Resize to the exact dimensions before uploading
- Compress to hit the sweet spot between quality and size
Resize Images to Perfect Social Media Dimensions
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