Resize for Instagram Post
Resize your image to the perfect 1080×1080px square for Instagram posts. Instant and private.
Drop images here or click to browse (up to 10)
JPEG, PNG, WebP, AVIF up to 50MB each
Instagram Post Image Guide
Size
1080×1080px is the recommended size for Instagram feed posts. Square format ensures consistent display.
Aspect Ratio
1:1 square. Instagram also supports 4:5 portrait and 1.91:1 landscape in the feed.
File Format
JPG is recommended. Instagram compresses all uploads, so start with high quality.
Max File Size
Instagram accepts up to 30MB, but smaller files upload faster.
Frequently Asked Questions
What is the best size for Instagram posts?
1080×1080px (square) is the standard Instagram post size. Instagram also displays 1080×1350px (4:5 portrait) which shows larger in the feed.
Does Instagram compress my images?
Yes, Instagram always re-compresses uploaded images. Starting with a 1080px image at high quality gives the best results.
Can I upload non-square images?
Yes. Instagram supports 1:1, 4:5, and 1.91:1 aspect ratios. But square posts are the most classic format.
Is this tool free?
Yes. Completely free, no account needed. Runs in your browser.