What is the X (Twitter) header size?
1500 x 500 pixels, a 3:1 rectangle. The profile photo overlaps the bottom-left corner and phones trim the top and bottom edges, so keep faces and text centered.
X (Twitter) Image Sizes (2026)
The X header size is 1500 x 500 pixels, the profile photo is 400 x 400, and a single post image displays best at 1200 x 675, which is 16:9.
X keeps its image specs simple: one header size, one profile size, and a 16:9 sweet spot for post images that shows uncropped in the timeline on desktop and mobile. The header is the one that catches people out, because the profile photo overlaps its bottom-left corner and phones trim the top and bottom.
Sizes checked against platform documentation | July 2026
X Profile and Header Sizes
| Format | Size (px) | Ratio | Notes |
|---|---|---|---|
| Profile photo | 400 x 400 | 1:1 | Displays as a circle. Minimum 200 x 200, max 2 MB. |
| Header (banner) | 1500 x 500 | 3:1 | The profile photo covers the bottom-left corner, and mobile crops the top and bottom edges. Keep the subject centered. |
X Post Image Sizes (2026)
JPG, PNG, and WebP up to 5 MB. GIFs go up to 15 MB.
| Format | Size (px) | Ratio | Notes |
|---|---|---|---|
| Single image post | 1200 x 675 | 16:9 | Displays fully in the timeline with no crop on desktop or mobile. |
| Square post image | 1080 x 1080 | 1:1 | Also uncropped in the timeline, with more height than 16:9. |
| Two-image post | 700 x 800 each | 7:8 | Side-by-side images each get a tall half-width slot. |
| Link card image | 1200 x 628 | 1.91:1 | What X renders when a shared URL has a summary card. |
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Related X (Twitter) resources
All social media image sizes
The hub with every platform's dimensions in one quick-reference table.
Social image resizer
Crop one image to these exact sizes in your browser, with a separate crop per format.
X (Twitter) scheduler
Schedule posts and threads with image previews per post.
Screenshot Studio
Frame a screenshot for the X feed at these sizes, where screenshots do most of the work.
X scheduling questions
Common X scheduling and posting questions, answered in plain language.
X (Twitter) image size FAQ
What is the best image size for a post on X?
1200 x 675 pixels at 16:9. It shows in the timeline without any cropping on both desktop and mobile. Square 1080 x 1080 also displays uncropped and takes a little more height.
What image formats does X accept?
JPG, PNG, and WebP up to 5 MB per image, and GIFs up to 15 MB. Posts can carry up to four images.