Correct Image Sizes for Every Social Media Platform in 2026
Getting image dimensions wrong is the fastest way to have a post cropped awkwardly or rejected by a platform's upload tool. Here are the current correct sizes across every major platform, plus how to resize an image to spec in seconds.
- Feed post (square): 1080 × 1080 px
- Feed post (portrait): 1080 × 1350 px
- Story/Reel: 1080 × 1920 px
- Profile picture: 320 × 320 px
TikTok
- Video/photo post: 1080 × 1920 px (9:16 vertical)
- Profile picture: 200 × 200 px
- Feed image post: 1200 × 627 px
- Cover banner: 1584 × 396 px
- Profile picture: 400 × 400 px
- Document/carousel post: 1080 × 1080 px
- Feed post: 1200 × 630 px
- Story: 1080 × 1920 px
- Cover photo: 820 × 312 px (desktop)
X (Twitter)
- In-stream image: 1600 × 900 px
- Header: 1500 × 500 px
- Profile picture: 400 × 400 px
- Standard pin: 1000 × 1500 px (2:3 ratio performs best)
- Profile picture: 165 × 165 px
Why exact dimensions still matter in 2026
Most platforms will auto-crop an image that doesn't match spec, but auto-crop algorithms don't know where your subject or text is — meaning faces get cut off and text overlays get clipped. Uploading at the exact native dimension keeps you in control of the crop instead of leaving it to the algorithm.
The fastest way to resize
Rather than opening a full design tool for a quick resize, a dedicated image resizer lets you drop in an image, pick the target platform, and export at the correct dimension in one step — no account, no software install.
FAQ
What is the best Instagram post size in 2026?
1080 × 1080 px for square posts remains standard, though 1080 × 1350 portrait gets more feed real estate and is increasingly preferred for engagement.
Do TikTok and Instagram Reels use the same dimensions?
Yes, both use 1080 × 1920 px (9:16 vertical), so a single export works for both platforms.
What happens if I upload the wrong image size?
The platform will typically auto-crop to fit, which can cut off faces, text, or key visual elements unpredictably.
Is there a free tool to resize images for multiple platforms at once?
Yes — tools like Gitsize let you upload once and export to multiple platform-specific dimensions without a paid subscription.
Resize your next post correctly in seconds at Gitsize — free exports available daily.