Substack Email Banner Resizer
Create a Substack email banner at the recommended 1100×220 size and export it as PNG for inbox-ready publication branding.
Substack email banner size
Substack email banner size: 1100×220 px PNG recommended
Substack allows a taller banner, but 1100×220 is its stated best-results size.
1100
width (px)
220
height (px)
5:1
aspect ratio
Need other dimensions? Browse all Substack sizes or use the free image resizer for any platform.
Sources
We check platform-specific dimensions against source documentation when available.
- Substack Support — Optimal publication image dimensions - Substack lists its logo, email banner, cover, and social-preview image guidance.
Prepare Substack Email Banner
Use a concise horizontal design that remains clear when an email client scales it down. Email clients and narrow screens can shrink the banner substantially, so avoid tiny text and test an actual email.
How to resize an image for Substack Email Banner?
- 1
Step 1: Choose a suitable source image
Choose a wide logo or banner source with enough resolution for an 1100-pixel export.
- 2
Step 2: Apply the 1100×220 preset
Upload the image, choose Email Banner, and use Fit or Fill to control the crop.
- 3
Step 3: Review and upload
Download the PNG, add it under Substack email header settings, and send yourself a test email.
Substack recommends an 1100×220 PNG for the best results, while allowing taller banners.
All Substack Image Sizes
Choose another available Substack canvas and review its source notes
Creator and Community Image Sizes
Prepare artwork for creator pages, newsletters, music releases, streaming channels, support pages, and chat communities using source-backed presets.
Substack
File tools
Convert the resized image
Need a different file format or transparent background? Choose a focused converter, then check the preview and encoded size before downloading.
Put Your Substack Email Banner Image Into a PDF
Put one image on each page, arrange the order, and create the PDF in your browser.
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