Resize Image for Instagram Portrait Post
Resize images to 1080×1350 (4:5 ratio) for Instagram portrait posts. This format takes up the most screen space in the mobile feed, making your content more eye-catching.
1080 × 1350
pixels
4:5
aspect ratio
How to Resize for Instagram Portrait Post
- 1Open the Social Media Resizer
- 2Upload your image (drag-and-drop or click to browse)
- 3Select the Instagram — Portrait Post preset (1080×1350)
- 4Download your perfectly sized image
Instagram Portrait Post Tips
- •Portrait 4:5 posts take up 20% more screen space than square 1:1 posts in the mobile feed
- •This is the tallest format Instagram allows in the main feed
- •Great for full-body photos, infographics, and carousel slides
- •Pair with a strong first line of caption for maximum engagement
FAQ
What size should Instagram portrait post images be?
1080×1350 pixels (4:5 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.