Instagram Post Resizer: 1080 × 1350 px
Crop and resize your photo to 1080 × 1350 pixels, the 4:5 portrait size that fills the most of the feed. The table below lists the square and landscape sizes too. Free and private.
Drag the photo to position it
- Output size1080 × 1350 px
- FormatJPG
Instagram posts image sizes
The recommended Instagram feed post size is 1080 × 1350 pixels (4:5). Square is 1080 × 1080 and landscape is 1080 × 566.
| Item | Format | File size | Size / pixels | Notes |
|---|---|---|---|---|
| Portrait post | JPG / PNG | No set limit | 1080 × 1350 px (4:5) | Best use of the feed. |
| Portrait 3:4 | JPG / PNG | No set limit | 1080 × 1440 px (3:4) | |
| Square post | JPG / PNG | No set limit | 1080 × 1080 px (1:1) | |
| Landscape post | JPG / PNG | No set limit | 1080 × 566 px (1.91:1) |
Sizes are from a published guide. Sizes summarised November 2026. Platforms update their layouts, so check the app if your upload looks cropped.
Tips for sharp results
- Start from a photo at least 1080 pixels wide.
- Keep faces and text away from the edges, as the grid view crops them.
- Use Fit with padding if you do not want any part cropped.
- Export as JPG for photos.
- Check the preview before you post.
Why I hate resizing?
A free tool with no watermark, no signup and no uploads.
Built for Instagram posts
Output is set to 1080 × 1350 px so it matches the recommended size.
Your photo stays with you
Processing happens in your browser. Nothing is uploaded.
Size ticks before you download
See the pixel size and file size confirmed on the result.
Works on phone and computer
Open it in any browser. JPG, PNG, WEBP and iPhone HEIC are accepted.
No watermark, no signup
Download a clean file, free, with no daily limit.
How to resize an image for Instagram post
Three quick steps to get a photo at the right size.
Upload your image
Choose a photo from your phone or computer, or drop it on the box.
Frame it
Drag and zoom to choose what stays in the picture, or switch to Fit with padding.
Download the JPG
Check the size ticks, download, then upload it to Instagram posts.
Instagram Post Resizer FAQ
Quick answers about the Instagram Post Resizer tool.
What is the best size for a Instagram post?
The recommended size is 1080 × 1350 pixels (4:5). This tool outputs exactly that size as a JPG.
What is the Instagram square post size?
1080 × 1080 pixels at 1:1. Use the free Image Resizer to set that size.
What is the Instagram landscape size?
1080 × 566 pixels at about 1.91:1. Portrait shows larger in the feed, so it usually gets more attention.
Is 3:4 supported?
Guides now list 1080 × 1440 pixels (3:4) as a vertical option as well as 1080 × 1350 (4:5).
Is my image uploaded to your server?
No. It is resized in your browser and never leaves your device.
Are these sizes always current?
Platforms change their layouts from time to time. These sizes were summarised in November 2026, so check the platform if an upload looks cropped.