Threads image sizes
Profile photo
1:1320×320
Displayed circular. Matches Instagram profile framing.
Verified July 20, 2026
Post image (square)
1:11080×1080
1:1. Safe default for single-image posts.
Verified July 20, 2026
Post image (portrait)
4:51080×1350
4:5. Recommended max height for feed posts.
Verified July 20, 2026
Carousel image
1:11080×1080
Keep a consistent aspect across slides.
Verified July 20, 2026