ImageWand
Substack

Resize for Substack Featured

Substack displays featured images at 1456x816 pixels for newsletter headers.

Dimensions
1456 × 816
Aspect Ratio
16:9

Image Resizer

Resize to any dimension

Drop your image here

or click to browse from your computer

Supports PNG, JPG, WebP up to 50MB

Popular Presets

📸Instagram Post1080×1080
📱Instagram Story1080×1920
👍Facebook Post1200×630
🐦Twitter Header1500×500
▶️YouTube Thumbnail1280×720
💼LinkedIn Banner1128×191

Substack Featured Image Tips

16:9 aspect ratio works well
Keep important content centered

Why Use ImageWand?

Instant Processing

Resize images in seconds with our browser-based tool. No upload wait times.

100% Private

Your images never leave your device. All processing happens locally in your browser.

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.

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