Get the 16:9 size that looks best on X. This Twitter / X image resizer opens pre-set to 1600×900, so you just upload your photo and download the perfectly sized result. It all happens in your browser — nothing is uploaded.
Open this Twitter / X resizer — the 1600×900 size is already set.
Upload your image.
Adjust the size if you need something custom.
Click resize and download.
Input
Any photo
Output
A 1600×900 image ready for Twitter / X
1600×900 pixels — which is why this page is pre-set to it. You can still enter a custom size if you need one.