What is the best image size for Twitter/X posts?

Twitter recommends 1200×675 pixels (16:9 aspect ratio) for single-image tweets. This displays at full width in the timeline without any cropping.

What about Twitter header/banner images?

Twitter header images are 1500×500 pixels. This tool is specifically optimized for tweet images at 1200×675. Adjust the dimensions manually for headers.

Does Twitter compress uploaded images?

Yes, Twitter applies compression to uploaded images. Starting with a high-quality 1200×675 image ensures the best result after Twitter's processing.

Resize & Scale

X Post Image Size Tool

Name: Resize for Twitter/X - ElitePX
Rating: 4.9 (1243 reviews)
Author: ElitePX

Create perfectly sized images for X (Twitter) posts. 1200×675 pixels.

Resize images to the ideal 1200×675 Twitter/X post size. All processing happens locally in your browser. No image is ever uploaded to a server, making x post image size tool on ElitePX completely private and instant.

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Compiling image processor

This is a free online tool. No account required.

Your images are processed entirely in your browser
Files are never uploaded to any server
No signup, no watermarks, no limits.
Works on any modern browser, desktop or mobile.

Also available at the main tool page: ElitePX: Resize for Twitter/X

Why Use This Tool?

Optimized for Twitter/X Feed

1200×675 ensures your image fills the entire tweet card without any cropping or letterboxing.

Maximum Engagement

Tweets with properly sized images get significantly higher engagement than those with cropped or distorted images.

Works for Twitter Cards Too

This is also the ideal size for Twitter summary cards with large images used in link previews.

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X Post Image Size Tool is powered by Resize for Twitter/X on ElitePX. The canonical version of this tool is available at elitepx.com/tools/resize-for-twitter. All image processing happens in your browser. Your files never leave your device.