Instagram Post Size

Resize and crop to 1080×1080 px for Instagram feed posts.

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Click or drag image here

JPG, PNG, WebP supported · Max recommended 25MB

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About this tool

Resize your photo to the perfect Instagram post size online for free with ResizerPhoto. Our tool automatically crops and resizes your image to the 1:1 square format used for Instagram feed posts.

Key features

Auto-resize to Instagram post dimensions
Square 1:1 format for Instagram feed
Works on mobile and desktop
No server upload — fully private
Free with no limits
Instant download

Common uses

Prepare square photos for Instagram feed
Resize portrait or landscape photos to Instagram format
Create consistent Instagram grid layout
Resize product photos for Instagram shop
Prepare promotional images for Instagram posts

Frequently asked questions

What is the best size for an Instagram post?

Instagram supports square (1:1), portrait (4:5) and landscape (1.91:1) formats. Our tool outputs the standard square 1080x1080 px format for maximum compatibility.

Will my photo get cropped when posted to Instagram?

If your photo is not square, Instagram may crop it. Using our tool first ensures your photo is perfectly framed before uploading.

Can I post landscape or portrait photos on Instagram?

Yes. Instagram also accepts portrait (4:5) and landscape (1.91:1) formats. Use our Aspect Ratio Crop tool for non-square formats.

What resolution should Instagram photos be?

1080px wide is the recommended upload resolution for best quality on Instagram.

Why does my photo look different after resizing?

Our tool center-crops the image to make it square. Reposition your subject to the center before using the tool for best results.