Instagram Square Post

1080 x 1080 px sRGB 1:1 square

Instagram's original 1080 by 1080 px square. The shape that built the platform and the most portable canvas it offers: one design that survives carousels, profile grids, and cross-posts to Pinterest and LinkedIn.

about a phone-screen-wide square

About this size

Instagram launched as a square-only platform. Then portrait arrived. Then stories. Then reels. Through all of it the 1:1 square never went away, and there's a reason: it's the one canvas that looks the same on every phone, every desktop preview, every embed, and every cross-posted feed. A square is the most forgiving shape you can design at.

The modern wrinkle is the profile grid. Instagram now crops grid thumbnails to 4:5, which means a slim band trims off the top and bottom of any square in that view. The full square still appears the moment someone taps in. Designs with their focal point near the vertical center survive both crops cleanly. If you want maximum vertical real estate in the feed itself, post at 1080 by 1350 (4:5) instead. If you want a carousel that hangs together, or art that lives on Pinterest and LinkedIn without re-cropping, the square is the most flexible canvas Instagram offers.

Instagram posts
Profile art
Sticker designs

Pro tips

1 Design from the middle out. The center 80% of the canvas is the safe zone for every Instagram crop, so anchor logos, headlines, and faces there. The outer band is breathable margin.
2 Instagram converts everything to sRGB on upload, so export there yourself or watch your reds and oranges drift. From there the format choice is content-shaped: JPEG for photographs and painted work, PNG for type, hard edges, and screenshots.
3 Carousels are where a single image can't go. Three to ten cohesive squares pull more dwell time than one dense post, and the feed rewards the swipe. Plan the sequence as one designed object, not a stack of variations.
4 Anything smaller than 24 px dissolves at thumb distance. Body text needs at least that. Headlines can go bigger.

Common mistakes

Anything under 1080 px gets upscaled, and the softness reads as amateur before a viewer registers why. Going above 1080 doesn't help either; 1080 is the bar Instagram is tuned to.
Logos or key text in the top or bottom band get clipped in the profile grid preview, which is often the first impression a new follower gets. Pull them inward.
Adobe RGB and Display P3 files arrive at Instagram and get converted to sRGB on the way in. Saturated reds, oranges, and greens shift visibly. Convert the file yourself first if you care about the result.
Carousel backgrounds that jump abruptly between slides snap the viewer out of the post. The swipe should feel continuous, or the set reads as something thrown together.

Frequently asked

Are square Instagram posts still worth posting?

Yes. Carousels work best here. So do branded grids, and anything cross-posted to Pinterest or LinkedIn. The portrait 4:5 wins for a single hero image that needs maximum feed presence, but that's a different kind of decision. Square is the shape you reach for when one design has to work in many places.

Why does my square post look cropped in my profile grid?

Instagram previews profile thumbnails at 4:5 now, so the top and bottom of any square get clipped in that view. The full square appears the moment someone taps in. Designing the focal point near the vertical center keeps both views clean.

What is the minimum resolution for an Instagram square?

1080 by 1080 px. Smaller files get upscaled and lose detail. Larger files get re-compressed down. 1080 is what Instagram is calibrated to.

JPEG or PNG?

JPEG for anything photographic. PNG for designs with text, hard edges, or flat color. The difference shows up most on type, where JPEG compression turns crisp letterforms slightly fuzzy.