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How to Compress Images for Instagram

What Instagram will do to your photo, before it does it.

Instagram applies a published rule to every feed photo: crop it to between 1.91:1 and 3:4, then scale it to at most 1080 px wide. Since 2025 the profile shows a further 3:4 crop of every post. This page applies that rule to your own photo, shows all three versions side by side, and prepares a file that already matches, so Instagram has nothing left to resize.

1080 pxwidest a feed photo is kept

1.91:1-3:4shapes kept without a crop

3:4 tilesprofile grid since 2025

1080 × 1920stories and Reels (9:16)

Your photo, through Instagram's rule

Pick a typical camera file or open your own. Choose the shape you'd pick in the app; "Keep original" applies the rule exactly as published.

3024 × 4032 in

Phone, portrait3024×4032Phone, landscape4032×3024Camera 2:32000×3000Panorama3000×1000Screenshot1179×2556upload_fileOpen your photo

Keep original3:44:51:11.91:1

crop position50%

1What you upload

3024 × 4032 · 1:1.33Nothing is cropped: the shape is already inside 1.91:1 to 3:4.

2What the feed shows

1080 × 1440 · 1:1.33Scaled down 2.80× to 1080 px wide. Doing that yourself, with a good filter, means Instagram doesn’t have to.

3What the grid tile shows

1080 × 1440 · 3:4The whole post fits the tile.

insightsUnder Instagram’s rule this photo keeps its full frame in the feed, at 1080 × 1440, and only 13% of the original in the grid. 3:4 is the only shape that looks the same in the feed and the grid.

downloadDownload the ready file1080 × 1440 JPEG · 41 KB · sRGB

How your next nine posts sit in the grid

Your profile shows every post as a 3:4 tile, three across, newest first. Square posts lose a strip at each side, landscape posts lose most of their width, and only 3:4 posts appear whole. Add your own photos and they go in at the top left, just like posting. Tap a tile to send that photo to the simulator above.

add_photo_alternateAdd photos

posts shown whole3 of 9

average hidden by the tile20%

tile shape3:4, three across

whole−25%−6%−61%whole−25%−6%whole−61%

Every Instagram size, and how it has changed

whereupload atshapewhat to know

Feed, tall1080 × 1440Tallest feed photo, and the only shape that matches the grid tile exactly.

Feed, portrait1080 × 1350The classic portrait size; loses a strip at top and bottom in the grid.

Feed, square1080 × 1080Loses about 12% at each side in the grid.

Feed, landscape1080 × 566The widest shape kept; the grid shows only the middle 39%.

Carouselsame as first slideUp to 20 slides; every slide uses the shape you pick for the first.

Story1080 × 1920Full screen. Keep text away from the top and bottom, where the app draws its controls.

Reel1080 × 1920The feed shows a 4:5 crop and the grid a 3:4 crop of the middle.

Profile photo320 × 320 or moreShown as a small circle; the corners are never seen.

timeline

2010Instagram launches (October). Every photo is a 612 × 612 square.

2015Portrait and landscape photos allowed, from 1.91:1 to 4:5, and photos kept at up to 1080 px wide (August).

2016Stories launch (August), full screen at 9:16.

2017Carousels let one post hold several photos or videos (February).

2024Carousels grow to up to 20 slides.

2025The profile grid switches from squares to 3:4 tiles (January), and 3:4 feed photos are allowed (May).

help.instagram.com · image resolution of photos you shareopen_in_newChecked October 2026. Instagram changes sizes without notice; its help centre is the authority.

before you post

hubAll platform guidesThe same kind of prep for X, WhatsApp, email and WordPress, each against its published limits.22 MB PDFarrow_forwardfits Gmail, not Outlook toolImage CropExact crop boxes with ratio lock, and the leftovers a careless crop leaves behind.4032 × 3024arrow_forward1080 × 1440 crop toolImage ResizerSeven resampling filters compared, so the 1080 px copy stays sharp.4032 px widearrow_forward1080 px, Lanczos converterHEIC to JPGiPhone photos to JPEG, with a choice of keeping or removing location data.IMG_0412.heicarrow_forwardIMG_0412.jpg, no GPS toolImage CollageSplits one image into a carousel or a grid puzzle at 1080 px per tile.panorama.jpgarrow_forward3 slides, 1080 × 1350 toolImage CompressorQuality against size on your own photo, with a split view to see the difference.1080 × 1440, 1.4 MBarrow_forward410 KB, 46 dB