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Instagram Image Resizer

Square, portrait, Story, or Reel - Instagram's image sizes all differ slightly. Drop your photo in and get the exact crop for whichever format you're posting.

Original

Drop an image here

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Resized preview

Your resized preview will appear here

1:1 · exports as .jpg
Image typeRecommended size
Square post1080×1080 px
Portrait post1080×1350 px
Story/Reel1080×1920 px
Profile picture320×320 px

Dimensions verified against Instagram's current image requirements. Last checked: September 2026.

Still not sure why your 4:5 post got cropped in the grid? The cropping breakdown is in the image guide →

Designing for the Grid, Not Just the Post

  • Carousel covers set expectations

    The first slide of a carousel functions like a thumbnail for the whole set - a cover that hints at what's inside tends to hold attention better than one that looks identical to a single-image post.

  • Planning your grid as a whole

    Since visitors see nine images at once on your profile, how a new post's colors sit next to your six most recent posts matters more for first impressions than any single photo in isolation.

  • Business accounts show additional crops

    A business or creator account displays extra preview crops in Insights and ad placements beyond the standard feed view, so it's worth checking those less-common formats occasionally.

  • Reels covers do double duty

    Since a Reel's cover image also becomes its grid thumbnail, design it thinking about both contexts at once - full-screen vertical video and small grid square - rather than optimizing for only one.

  • Content pillars keep a grid coherent

    Accounts that rotate through a small set of consistent themes tend to build a more recognizable grid than accounts that post whatever fits the size requirements each time.

  • Story highlights as a curated shelf

    Highlight covers act like a small menu on your profile before someone taps into your Stories - keeping them visually consistent makes a profile feel more polished than a scatter of random paused-frame thumbnails.

Frequently asked questions

1,080 x 1,080 pixels (1:1) for a square post, or 1,080 x 1,350 pixels (4:5) for a portrait post. Portrait tends to perform better since it takes up more vertical space on mobile screens.
Match your image's aspect ratio to the format you're posting before uploading, rather than after. If your photo isn't already 1:1 or 4:5, resize and crop it to that exact ratio yourself first - Instagram will crop to fit its supported ratios regardless, so doing it deliberately beats letting Instagram decide.
A 4:5 portrait post displays at its full ratio in the main feed, but the profile grid preview crops it down to a tighter 3:4 ratio. This is normal - keep your main subject centered so nothing important falls outside that tighter grid crop.
1,080 x 1,920 pixels (9:16), the same size as the Reel itself. Instagram then crops this down to roughly 1,080 x 1,350 pixels when it displays in your profile grid, so keep key content centered rather than near the top or bottom.
JPG for photos - Instagram compresses PNG more aggressively for photographic content, which can reduce quality more than JPG's own compression does. Use PNG only for graphics with sharp text or transparency.
Keep text and important graphics within the center of the image, away from the top and bottom edges - especially for Reel covers and Stories, where different crops (profile grid vs. full-screen view) show different portions of the same upload.
1,080 x 1,920 pixels (9:16), filling the full mobile screen. This is the same size used for Reels.
8 MB. Larger files get compressed automatically on upload, so exporting at the correct 1,080px width to begin with keeps more control over the final quality than letting Instagram scale down an oversized file.

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