4 sizes
Email image sizes (updated October 2026)
Email uses 4 sizes, all 600 px wide: the header (600 × 200), promo banner (600 × 400), newsletter hero (600 × 300) and footer (600 × 150).Every size is in the table below. Or skip the resizing: design once and Buno makes them all.
Free to start. No credit card.
Email size table
4 sizes
| Platform | Format | Size (px) | Shape preview |
|---|---|---|---|
| Email header | 600 × 200 | ||
| Promo banner | 600 × 400 | ||
| Newsletter hero | 600 × 300 | ||
| Email footer | 600 × 150 |
37 sizes across 9 platforms: see the full size guide.
Make every email size from one design.
Then get the other 33 sizes from the same design, without starting again.
Free to start. No credit card. No design skills needed.