HubSpot Email Banner Size Guide: Dimensions & Best Practices [2025]


HubSpot Email Banner Size Guide: Dimensions & Best Practices [2025]

Looking for the right HubSpot email banner size? The recommended HubSpot email header image size is 600×200 pixels. This size works perfectly for most email clients and keeps your design looking sharp and mobile-friendly.

Standard Email Banner Sizes (with Visual Chart)

Type Recommended Size (Pixels)
Header banner 600 × 200
Footer banner 600 × 150
Email signature banner 400 × 100

Tip: Keep image file size under 1MB (ideally under 500KB) for fast loading.

Email Banner Size Guide

Best Practices for Email Banners

  • Keep It Simple and Clear
    • Avoid clutter. Focus on one message or branding element.
  • Optimize for Mobile
    • Ensure text within the image is large enough to read on small screens.
  • Add Alt Text
    • Always add descriptive alt text in case images are blocked or slow to load.
  • Test Before Sending
    • Send test emails to check how your banner displays in different email clients and devices.

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Email Banner Size by Platform

Email Platform (ESP) Recommended Header Banner Size (Pixels)
HubSpot 600 × 200
Mailchimp 600 × 200
Constant Contact 600 × 200
ActiveCampaign 600 × 200
ConvertKit 600 × 200

Note: Although 600px width is a universal standard, always check your platform’s latest guidelines as updates may occur.

Conclusion

If you want a ready-to-use HubSpot email header module or need help designing banners that convert, contact me here.

About the Author

Jake Lett is a results-driven Detroit based B2B marketing consultant with 15+ years of hands-on experience managing SEO and PPC campaigns across manufacturing, SaaS, and professional services industries. He’s a Certified Google Ads Specialist and HubSpot CMS Developer who has personally managed budgets ranging from $500 to over $10,000/month.

Jake specializes in helping small businesses and solo marketers get more from lean ad budgets—using practical strategies that drive qualified leads, not just traffic. He shares real-world lessons on his blog, YouTube channel, and in his published books on digital marketing.



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