What's the ideal image size for my emails?
For best results across all devices, we recommend keeping your email images 600px wide.
This ensures your content displays clearly in every inbox and avoids cropping or stretching.
For best results, keep all email images 600px wide — this ensures your emails look sharp and consistent across all inboxes.
Recommended banner sizes:
- Small Banner: 600 × 200 px
- Medium Banner: 600 × 400 px
- Large Banner: 600 × 600 px
Tips:
- Keep file sizes under 1MB to ensure fast loading and good deliverability.
- Centre any important text or visuals so they display properly on mobile.
Example Files:



![PrimaryLogo_Trans-2.png]](https://help.instant.one/hs-fs/hubfs/PrimaryLogo_Trans-2.png?height=40&name=PrimaryLogo_Trans-2.png)