The KDP crossword maker
Generate a whole crossword book, then export it at every KDP trim, print-ready at 300 DPI. Make one puzzle free in your browser, unlock a full project for a one-time fee, and export unlimited formats forever.
$4.99 once per project. Unlimited exports, every trim. No subscription.
A real generator, not a template
Give the studio a theme and it drafts a clue bank with AI, then interlocks your answers across and down, numbers every entry, grades the book from easy to hard and lays out a matching answer section. A whole book is generated, not placed square by square.
Every KDP trim, 300 DPI
Pick any KDP size, from 5.06 by 7.81 up to 8.27 by 11.69, with correct margins and gutter. Export a print-ready interior PDF and a separate answer-key PDF that pass KDP review.
Generate once, export forever
One project unlocks for $4.99. After that, re-export any trim, any time, as many formats as you like. No monthly subscription and nothing to cancel.
How it works
- 1Start with a free puzzle. Try the free generator in your browser to make one crossword and its answer key, so you can see the output before you commit.
- 2Build the full book. In Publisher Studio, pick a theme and generate a clue bank, then the studio interlocks hundreds of graded puzzles with numbered clues and answer keys.
- 3Choose your KDP trim. Pick a trim size and format. The interior is sized with the right margins and gutter for the page count. Clue type is set large on the wide trims, so the book passes KDP review.
- 4Unlock once, export any size. Unlock the project for $4.99, then export the print-ready interior and answer-key PDFs at any trim, as often as you like.
Free tool or full studio
The free generator makes one printable puzzle to try the engine. Publisher Studio is where you make a book to sell.
| Free generator | Publisher Studio |
|---|---|
| One puzzle and one answer page | Hundreds of puzzles with a packed answer section |
| Large print at one size, browser print | Every KDP trim, 300 DPI, print-ready PDFs |
| Type your own answers and clues | AI clue-bank drafting, curation and grading |
| A single grid and layout | Grid presets, clue columns, block colour and side-by-side or facing-page layout |
| Nothing saved | A durable project, re-export any size forever ($4.99) |
One price, per project
$4.99
Paid once. Export unlimited formats, forever.
- Print-ready 300 DPI interior PDF
- Separate answer-key PDF
- Wraparound cover PDF, spine sized to your page count
- Every KDP trim size and format
- Re-export any size, any time
Comparison
Once Books vs Book Bolt
A purpose-built puzzle-book maker you pay for once, versus an all-in-one KDP suite on a subscription.
Questions
- How much does it cost?
- A project unlocks for $4.99, paid once. After that you can export the interior and answer-key PDFs at any KDP trim, as many formats as you like, forever. There is no subscription.
- What do I get when I export?
- A print-ready 300 DPI interior PDF, a separate answer-key PDF, and a wraparound cover PDF with the spine sized to your page count, all set for the KDP trim you choose. You upload them straight to KDP.
- How are the clues written?
- Publisher Studio drafts a themed clue bank with AI, which you can read, edit and approve clue by clue before you generate. Every printed entry carries a clue, and the studio flags any answer that still needs one.
- Can I try it before I pay?
- Yes. The free crossword generator makes a real 2-page puzzle in your browser with no sign-up. The unlock is only for a full multi-puzzle project you plan to publish.
- Can I sell the books I make?
- Yes. The exported interiors are yours to publish and sell on Amazon KDP or print yourself. The per-project unlock covers unlimited exports of that project.