Best social media image sizes (2025 cheat sheet)
Uploading the wrong size means platforms crop or downscale your image — usually badly. Here are the dimensions that look sharp in 2025, with a free resizer for each.
- Square post: 1080×1080
- Portrait post: 1080×1350
- Story / Reel: 1080×1920
Resizer: resize for Instagram.
- Link/share post: 1200×630
- Square post: 1080×1080
Resizer: resize for Facebook.
Twitter / X
- In-stream post: 1600×900 (16:9)
- Header: 1500×500
Resizer: resize for Twitter/X.
- Post image: 1200×627
- Cover banner: 1584×396
Resizer: resize for LinkedIn.
YouTube
- Thumbnail: 1280×720 (16:9)
Resizer: YouTube thumbnail resizer.
TikTok
- Cover / vertical: 1080×1920 (9:16)
Resizer: resize for TikTok.
- Standard pin: 1000×1500 (2:3)
Resizer: resize for Pinterest.
Pro tip
Always downscale from a larger original rather than letting the platform do it — your version will be sharper. All Shrink44 resizers run in your browser with no uploads.