Guide

How to Resize Photos for Instagram and Social Media

Post a photo at the wrong dimensions and the platform crops it for you on the way in — not always where you'd choose. A carefully composed landscape shot posted as a square gets its edges chopped by an algorithm that has no idea what mattered in the frame. Sizing it yourself, before posting, keeps that decision in your hands.

Steps for a single post

  1. Open the Social Media Image Size Resizer and upload your photo.
  2. Pick the platform and post type you're sizing for.
  3. Download the correctly-sized result and post it directly, no further cropping needed.

If you're planning a multi-photo grid instead

A single resized photo solves the "one post" problem. A grid takeover — where one image is deliberately split across several consecutive posts so it forms a bigger picture on your profile — is a different job entirely, and needs the Instagram Grid Splitter instead. It crops your photo to a square and cuts it into 3-across or 3x3 tiles, numbered in the order you should post them so the grid lines up.

A framing tip that saves a re-do

If you know a photo is headed for a square crop, check the composition before you resize, not after — anything important near the left or right edge of a wide photo is exactly what gets sacrificed when it's squared off. It's much easier to reframe or retake the shot than to fix a bad crop after the fact.

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