Resize Image for Instagram Portrait Post (1080×1350)
Crop and resize any photo to exactly 1080×1350 px (4:5) — no stretching, free, no sign-up.
Drop your image here or click to upload
Maximum file size: 10MB; files are uploaded for processing and are not persisted
Select up to 20 images at once — the same settings are applied to all of them.
Instagram Portrait Post Size: 1080×1350 Pixels
The recommended Instagram Portrait Post size is 1080×1350 pixels, an aspect ratio of 4:5. Upload a photo and the tool scales it proportionally to cover the frame, then center-crops whatever overflows, so the result is exactly 1080×1350 with no black bars or distortion. You can still change the width and height before processing.
Exact 1080×1350 output
The result always matches the preset dimensions, ready to upload.
No stretching
Scaled proportionally and center-cropped instead of squashed.
Keeps your format
JPG stays JPG, PNG keeps its transparency, WebP stays WebP.
How to resize an image to 1080×1350
Upload your image
Drop or select a JPG, PNG or WebP file up to 10MB.
Check the size
Width 1080 and height 1350 are pre-filled; change them if you need to.
Download
Download the resized image as soon as it is ready.
Why use toresize.com
Completely free
No sign-up, no watermark, no usage limits.
Private by design
Images are processed in memory and not stored after the response.