Resize for Substack Featured
Substack displays featured images at 1456x816 pixels for newsletter headers.
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Supports PNG, JPG, WebP up to 50MB
Popular Presets
Substack Featured Image Tips
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Resize images in seconds with our browser-based tool. No upload wait times.
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Frequently Asked Questions
What size is a Substack Featured Image?▼
Substack Featured Image should be 1456x816 pixels with a 16:9 aspect ratio. This is the optimal size recommended by Substack.
How do I resize an image for Substack Featured Image?▼
Upload your image to ImageWand, use the Substack Featured Image preset which automatically sets the correct 1456x816 dimensions, and download your resized image.
Why is image size important for Substack?▼
Using the correct image dimensions ensures your content looks professional, isn't cropped unexpectedly, and displays consistently across devices. Substack optimizes for these specific dimensions.
Is this tool free?▼
Yes! ImageWand is completely free with no signup required. Resize unlimited images for any social media platform.