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About this tool
Back-cover copy sells the read, not the plot. This blurb builder fills story slots — protagonist, want, obstacle, stakes, setting, and optional hook — and assembles a structured ~150-word blurb template you can refine for Amazon KDP, marketing pages, and query letters. No AI; you stay in control of every word. Runs in your browser with no upload.
What you can do
- Structured slots for protagonist, want, obstacle, stakes, and setting
- Optional one-line hook field for high-concept openings
- Word count display — aim for 100–180 words for Amazon
- Alternate opening variant on each build for A/B testing
- No AI generation — you write the substance, the tool assembles structure
- Pairs with title length checker and AI Kindle description generator
- Private browser builder — blurb drafts never upload to servers
Write blurbs that sell the promise, not the plot dump
Store blurbs fail when they summarize the whole book. Use this builder to surface conflict, stakes, and genre tone in a short KDP-ready description you can refine before cover and keyword work.
Kindle description generator · Book cover generator · Publish & launch guide · AI draft to KDP
How to use it
- Fill in protagonist, want, obstacle, stakes, and setting fields.
- Add an optional one-line hook for high-concept or genre signal.
- Click Build blurb to generate structured back-cover copy.
- Check the word count — aim for 100–180 words for KDP listings.
- Edit the template until it matches your voice, then copy to KDP or your query.
Tips for fiction authors
- Start with stakes, not setup. "If she fails, the colony dies" beats "In a distant galaxy, a mechanic dreams of freedom."
- Name your protagonist in the blurb. Readers connect with named characters more than "a young woman" or "a detective."
- End your blurb with a question or dilemma, not a resolution. The reader should want to open the book to find out what happens.
- Keep blurbs under 180 words for Amazon mobile scanning. Most readers skim on phones — shorter copy converts better.
- Use this builder first for structure, then the AI Kindle description generator if you want Kestrel — Free to polish tone for your genre.
Common questions
Does this use AI to write my blurb?
No. It assembles your inputs into proven blurb structures. You edit every word. For AI-assisted copy, try the Kindle description generator.
How long should a fiction blurb be?
Amazon descriptions often work well at 100–180 words. The tool shows your word count as you build.
Can I get multiple versions?
Yes. Each build includes an alternate opening you can mix and match with the main template.
Is this enough for KDP upload?
It produces strong draft copy. Paste into KDP's description field and edit for genre tone and keywords before publishing.
Is my blurb uploaded?
No. The blurb builder runs entirely in your browser on Entangled Text.
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