Free AI Tool
Social Media Image Size Resizer
Reframe any picture to the aspect ratio you need - 9:16, 1:1, 16:9 or 4:5 - by extending the background instead of stretching it, so your subject keeps its proportions and stays properly placed.
How to use Social Media Image Size Resizer
1. Pick your options
Choose a style, upload an image if the tool asks for one, or type what you want.
2. Hit Generate
The AI does the work in seconds — no sign-up needed to start.
3. Download or copy
Save your result, copy it, or tweak the options and run it again.
Free to use · No sign-up needed to start · Works in your browser