Ideally, you should upload portrait-style images for your Stories as Stories are basically vertical and are meant to be viewed as such. Even though you are allowed to add landscape images to Stories, it just does not look good. It is always better to use a 9:16 aspect ratio, to the extent possible.
Are horizontal or vertical pictures better for Instagram?
1) Vertical and square images do perform better on instagram
Instagram’s layout allows vertical images to get the most space in a feed! If someone is scrolling through their feed quickly, it’s important to grab their attention! Naturally, a larger image does just that.
What size photo does Instagram use?
Instagram Image Sizes 2021
|Social media image type||Dimensions in pixels|
|Instagram Profile Photo||360 x 360|
|Instagram Landscape Photo||1080 X 608 (1.91:1 ratio)|
|Instagram Portrait||1080 x 1350 (4:5 ratio)|
|Instagram Story||1080 x 1920 (9:16 ratio)|
Which aspect ratio is best?
Most photographers choose to shoot in 3:2 aspect ratio in the camera, a standard ratio of an image based on 35mm film. But if you’re planning to shoot just for social networks purposes, choosing 4:5 in your camera may work in your favor.