X (Twitter)

X (Twitter) image sizes and formats

Verified dimensions for every X (Twitter) format, plus a free simulator to see how your design looks in the app before you post.

X (Twitter) dimensions in 2026

Format	Pixels	Ratio
X (Twitter) Header	1500 × 500	3:1

Sizes verified on 2026-07-23.

Watch out for the profile picture covering a key part of the banner.

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