Instagram reel cover size: 420 x 654 pixels
Instagram states a recommended size of 420 x 654 pixels for the reel cover (verified 2026年8月22日).
A platform limit, not a working scheduler
No connector has passed its definition of done. This page states what the platform enforces. It does not say that this product publishes there yet.
The recorded value
- Reel cover photo
- 420 x 6541:1.55, Recommended by the platform
Reel size and aspect ratios on Instagram 研究した2026年8月22日
Other image sizes recorded for Instagram
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