Resize Image for Instagram Post
Resize your images to the perfect 1080×1080 pixel square format for Instagram feed posts. Avoid platform compression artifacts by uploading at the exact recommended dimensions.
1080 × 1080
pixels
1:1
aspect ratio
How to Resize for Instagram Square Post
- 1Open the Social Media Resizer
- 2Upload your image (drag-and-drop or click to browse)
- 3Select the Instagram — Square Post preset (1080×1080)
- 4Download your perfectly sized image
Instagram Square Post Tips
- •Instagram displays feed posts at 1080×1080 for square, 1080×1350 for portrait, and 1080×566 for landscape
- •Upload at exactly 1080px width to prevent Instagram from re-compressing your image
- •Use JPG format at quality 85%+ for photos — Instagram re-encodes everything anyway
- •Square posts (1:1) get the most feed real estate on desktop but portrait (4:5) gets more on mobile
FAQ
What size should Instagram square post images be?
1080×1080 pixels (1:1 aspect ratio). This is the recommended size for optimal quality.
How do I resize for Instagram without losing quality?
Use theimgapp's social resizer — it resizes to exact dimensions with high-quality interpolation. Upload at the platform's recommended size to avoid re-compression.