The recommended X (Twitter) X (Twitter) header spec is 1500×500 px (3:1). 1500×500 (3:1). The profile picture covers the bottom-left.
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| Platform | Placement | Recommended | Ratio | |
|---|---|---|---|---|
| X (Twitter) | X (Twitter) post | 1600×900 | 16:9 | Resize |
"Fill" center-crops when the ratio differs. "Fit" pads with the chosen color. "Fit width" keeps the height ratio, for detail pages.
Drag the preview of a "Fill" result to move the crop.
JPG, PNG or WebP, quality 50–100. Each result card shows size and weight.
Tick several sizes to get one output per size. Upload several files to convert them all, then download with "Save all".
1500×500 px, ratio 3:1. 1500×500 (3:1). The profile picture covers the bottom-left.
Choose "Fit (padding)" to avoid cropping; with "Fill" you can drag the preview to move the crop.
Upscaling beyond the original blurs. Use the largest original you have; when downsizing, quality 90+ is visually lossless.