Free tool
Free book spine generator
Add a front cover or pick a color, type the title and author, choose a font and a thickness, and download your spine as a PNG. It all runs in your browser, so your image never leaves your device.
Nothing is uploaded: your cover and text are processed entirely in your browser.
What goes on a book spine
The spine is the narrow strip that faces out when a book stands on a shelf. Often it's the only part a shopper sees, so it has one job: say what the book is at a glance.
- Title: the largest element, set along the length of the spine.
- Author: often just the surname, or the full name in smaller type.
- Publisher mark: a small logo or imprint name, usually at the foot.
- Colors: most spines pick up the main color of the front cover, so the book reads as one object from any angle.
This generator handles the title, the author and the color. If you want a publisher mark, add it to the PNG afterwards in your usual image editor.
How wide should a spine be?
Spine width depends on the page count and, just as much, on the paper. The same 300 pages can make a slim book on thin stock or a chunky one on heavy, uncoated paper. The binding and cover material add a little more, and hardcovers add the thickness of the boards.
That's why no single formula is worth trusting. If you're preparing a file for print, use the spine-width calculator or template your printer publishes for the exact paper you've chosen, and leave the bleed they ask for.
The thickness setting here uses the page count to give the spine believable proportions. It's meant for mockups and screens, not as a print measurement.
Tips for a spine people can actually read
Push the contrast
Light text on a dark spine, or dark text on a light one. Mid-tone on mid-tone disappears from across the room, and even more in a small thumbnail.
Keep it short
A long subtitle rarely fits. Title and author are enough; the front cover can do the rest.
Match the font to the book
A serif feels literary or classic, a sans-serif clean and modern, and a bold display face suits thrillers, children's books and comics.
Mind the reading direction
English-language spines usually read top to bottom, so the title is the right way up when the book lies face up. Many continental European books, in France, Germany or Spain for example, have traditionally read bottom to top, though you'll find both today. Need the other direction? Rotate the downloaded PNG 180 degrees.
What to do with your spine image
- Mockups: place the spine next to the cover to see how a book will look in print before you send files anywhere.
- Social posts: line up several spines to announce new arrivals, a staff picks list or a reading challenge.
- Website shelves: spines make a store page feel like a real bookshop. Our ideas for an online bookstore website have more on this.
Doing it by hand works for a few titles. For a whole catalog, InShelf generates the spine of every book in your Shopify store from its cover (color, title and author in the font you choose, with legible contrast) and places them on an interactive 3D bookshelf. Try the demo or see the plans; the Free plan covers up to 20 books.
Frequently asked questions
Is this book spine maker free?
Yes. There's no sign-up, and it runs in your browser, so your cover and text are never sent to a server.
Can I use the PNG for a print-ready cover?
It works best for mockups, social posts and websites. A print file needs the exact spine width for your paper, plus bleed, so start from your printer's template and use the PNG as a visual reference.
What cover image works best?
A sharp front cover in JPG or PNG. With the color set to From cover, the spine takes its color from the image; if the result doesn't suit the book, pick your own color.
Can I create spines for a whole Shopify store?
Yes, with InShelf. It imports your products and covers automatically, generates a spine for each book and stays in sync when you change your catalog. Products without an image get a typographic cover.