X (Twitter) image size cheatsheet
X (Twitter) needs 2 different image sizes. With Social Icon Kit, upload one image and get every size at once. AI handles background removal and outpainting for wide headers.
| Asset | Size | Format | Shape |
|---|---|---|---|
| Profile picture | 400×400 | PNG | Circle crop |
| Header | 1500×500 | PNG | Free |
Official specs
Last verified: 2026-04-27