Why use 1080x1350 instead of a square?

Portrait 4:5 posts occupy more screen height than a square, giving your content more presence in the feed — while still being allowed by Instagram.

Will Instagram still compress it?

Uploading at exactly 1080px wide minimizes Instagram's re-compression, keeping your image as sharp as possible.

Resize Image to 1080x1350 (Instagram Portrait)

Resize a photo to Instagram's 1080×1350 portrait size — the format that fills the most feed space.

Keep aspect ratio

Drop an image here or click to choose

processed on your device — never uploaded

1080×1350 (4:5 portrait) is the Instagram feed size that takes up the most vertical space, so your post stands out as people scroll. This tool resizes to that exact size so Instagram won't crop or shrink it.

Everything runs in your browser — nothing is uploaded.

More sizes & options

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Frequently asked questions

Why use 1080x1350 instead of a square?: Portrait 4:5 posts occupy more screen height than a square, giving your content more presence in the feed — while still being allowed by Instagram.
Will Instagram still compress it?: Uploading at exactly 1080px wide minimizes Instagram's re-compression, keeping your image as sharp as possible.

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🔒 Your files never leave your device. This tool runs entirely in your browser — nothing is uploaded.