How to Resize Your Book Cover for Social Media
Never crop your book cover to fit a platform. Instead, place your full cover on a branded background sized to each platform's dimensions. Instagram posts need 1080x1350, TikTok needs 1080x1920, Pinterest needs 1000x1500. Use Canva (free) to create templates for each size, then swap in new covers as needed.
Why You Cannot Just Crop Your Cover
Your book cover is designed at a 2:3 ratio (typically 1600x2560 pixels for Kindle). No social media platform uses a 2:3 ratio natively. Instagram is square or 4:5. TikTok is 9:16. Twitter/X is 16:9. Facebook varies by placement.
If you crop a 2:3 cover to fit a 1:1 square, you lose either the top of the cover (often the title) or the bottom (often the author name). If you squeeze it to fit 16:9 landscape, the cover becomes a tiny sliver in the center. Neither works. The solution is to design platform-specific graphics that showcase your full cover.
Platform Dimensions Reference
| Platform | Format | Dimensions (px) |
|---|---|---|
| Instagram Feed | Square | 1080 x 1080 |
| Instagram Feed | Portrait (recommended) | 1080 x 1350 |
| Instagram Stories / Reels | Vertical | 1080 x 1920 |
| TikTok | Vertical | 1080 x 1920 |
| Facebook Post | Landscape | 1200 x 630 |
| Facebook Stories | Vertical | 1080 x 1920 |
| Twitter / X | Landscape | 1600 x 900 |
| Vertical | 1000 x 1500 | |
| BookBub Ads | Rectangle | 300 x 250 |
| Amazon A+ Banner | Wide landscape | 970 x 600 |
| Amazon A+ Standard | Wide landscape | 970 x 300 |
The Right Way to Resize: Background + Cover
- 1. Open Canva (free) and create a custom-size canvas matching the platform dimensions
- 2. Add a background that complements your cover. Options: solid color pulled from the cover, a gradient, a blurred/enlarged version of the cover image, or a branded template
- 3. Upload your full book cover and place it on the canvas. For portrait formats, center the cover. For landscape formats, position the cover on one side with text or a tagline on the other
- 4. Add optional elements: tagline, review quote, "Available Now" text, author website, or series branding
- 5. Export as PNG for maximum quality or JPEG for smaller file sizes
Platform-Specific Tips
Use the 1080x1350 portrait format for feed posts. It takes up more screen space than square and gives your cover room to breathe. For Stories and Reels, use 1080x1920 with the cover centered and additional text above or below. Carousel posts (multiple slides) are excellent for showing the cover, a blurb, reviews, and a buy link.
Pinterest is underrated for book marketing. The 1000x1500 vertical format is close to a book cover ratio, making it the friendliest platform for showcasing covers. Add a tagline or genre label above the cover. Pins with text overlays get more saves. Link directly to your Amazon listing or landing page.
Twitter / X
The 16:9 landscape format is challenging for book covers. Place your cover on the left third of the image with a tagline, review quote, or promotional text on the right two-thirds. Use a dark or colored background that matches your cover's palette.
BookBub Ads
At 300x250 pixels, BookBub ads are tiny. Your cover must be recognizable at this size. Test before spending money. If the title is not readable at 300x250, consider using just the cover image with a simple "FREE" or price overlay rather than trying to include additional text.
Batch Resizing Workflow
Creating individual graphics for every platform takes time. Here is how to streamline it.
Create templates once, reuse forever
In Canva, create a template for each platform size with your branded background (colors, logo placement, text areas). When you have a new book, duplicate the templates and swap in the new cover image. This turns a multi-hour task into a 10-minute job. The Art Director Method includes pre-built Canva templates for this exact workflow.
Export all sizes at once
Canva Pro users can resize a design to multiple formats with one click using the "Resize and Magic Switch" feature. Free users can duplicate the design and manually adjust each size. Either way, create all your platform graphics in one sitting rather than scrambling when you need to post.
The Art Director Method includes a Social Media Asset Checklist and Canva templates for every platform size, so you can go from finished cover to full marketing asset kit in under 30 minutes.
Frequently Asked Questions
Use 1080x1350 pixels for feed posts (portrait, takes up more screen space) or 1080x1080 for square. For Stories and Reels, use 1080x1920. Place your cover on a branded background rather than cropping it to fit.
No. Cropping cuts off the title, author name, or key imagery. Instead, place your full cover on a background sized to the platform's dimensions. Use a solid color, gradient, or blurred version of the cover as the background.
300x250 pixels for both Featured Deal and self-serve BookBub Ads. This is very small, so test your cover at this size before running ads. If the title is not legible, the ad will not convert.
Canva (free tier) is the best option. Create templates for each platform size and swap cover images when you have a new book. Canva Pro adds one-click batch resizing. Photopea works for manual resizing with more control over image quality.
Banner images are 970x600 pixels. Standard image modules are 970x300. Comparison chart images are 150x300. All should be RGB, JPEG or PNG, and under 2MB. A+ content is a powerful tool for showcasing your cover in context on your product page.
Related Guides
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