AI prompts for web banners and email marketing
Generate banners for website headers, newsletters and email marketing with AI. Standard IAB sizes, creatives for Mailchimp and HubSpot, and responsive headers for any digital campaign.
Standard IAB web sizes
| Name | Size (px) | Typical use |
|---|---|---|
| Leaderboard | 728×90 | Page header |
| Medium Rectangle | 300×250 | Content sidebar |
| Large Rectangle | 336×280 | In-article |
| Half Page | 300×600 | Vertical sidebar |
| Billboard | 970×250 | Super header banner |
Email header banner (600px wide)
Email header banner 600x200px, professional dark teal background, company logo top-left, bold white headline "March 2026 Newsletter" center, subtle geometric pattern overlay, clean corporate design, safe for email clients