Word Search Generator for KDP

Built for publishers, not for worksheets

Most free word search makers are built for a teacher printing one handout on Friday afternoon. That is a real need, and it is a different need from yours. A worksheet gets photocopied; a KDP interior gets printed by Amazon at 300 DPI, bound with a gutter, and rejected outright if the type is too small or the content strays into the margin.

So the differences here are the ones that only matter if you are selling the result:

• Vector PDF, not a screenshot. The PDF is real page geometry — text is text, lines are lines. Print it at any size and the letters stay crisp. A blurry low-content interior is almost always a screenshot dropped into a Word document, which is also why the PNG pack here is 300 DPI at the finished trim rather than whatever fits your screen. Take the PDF when your tool will accept it.
• No watermark, no attribution line. Not on the free tier, not as a trial. A watermark on a page you intend to sell makes the tool useless for its actual purpose, and a free tool that is useless for its purpose is just an ad.
• KDP-legal type sizes. Letters are sized well above Amazon’s 7pt interior minimum, and the grid shrinks the cell rather than the glyph when space gets tight. Puzzle books are read by people who wanted large print in the first place.
• The same rendering engine as the paid editor. This is not a marketing sample built separately. The page you download comes out of the identical layout and rendering code that produces a full Book Studio interior, so what you see here is exactly what a book page looks like.

How to use it

1. Paste your word list. One word per line, or separated by commas — both work, so you can paste from a spreadsheet column or from a sentence. Words are uppercased as you type, because that is how they will appear in the grid.
2. Or start from one of ours. Ten ready-made lists — Animals, Fruits, Space, Weather and the rest — fill the box in one click. They come from the same licensed word bank Puzzle Studio draws themed puzzles from, so they are safe to publish, and you can edit them like any other list once they land.
3. Name the puzzle. Optional, but a title is what turns a grid into a page. It prints above the grid at the same size a book page would use.
4. Pick a difficulty. Easy is across and down. Medium adds diagonals. Hard adds backwards words. See the sizing table below for how this interacts with grid size.
5. Set the grid size. Anywhere from 4×4 to 24×24. The tool warns you if your longest word cannot fit.
6. Generate, then generate again. Placement is random, so a second press gives a different arrangement of the same words. Keep going until the grid looks the way you want.
7. Check the answer key. The tab above the preview renders the same grid with every word circled. It costs nothing: the daily counter is per puzzle, not per render.
8. Download it. A two-page PDF, or a ZIP of both sheets as 300 DPI PNGs — whichever your layout tool wants. Both reproduce the exact puzzle on screen, not a new one.

Choosing a grid size and word count

The two settings that actually decide how a puzzle feels are grid size and word count, and the relationship between them is not obvious. A 15×15 grid with 8 words is mostly filler letters and solves in a minute. The same grid with 25 words is dense, heavily overlapped, and genuinely hard. Difficulty level is the smaller lever of the two.

These are the combinations that print well and hold up across a whole book:

Two rules worth carrying into any book you build. First, your grid must be at least as wide as your longest word — a 12-letter word in a 10×10 grid has nowhere to go, and the generator will leave it out rather than place it wrongly. Second, keep the ratio consistent across a book: readers notice when puzzle 14 is dramatically easier than puzzle 13, and inconsistency is one of the more common complaints in low-content puzzle book reviews.

Picking words that make a good puzzle

Word choice does more work than any setting on this page. A few things that reliably help:

• Keep lengths varied. A list where everything is five letters produces a grid where nothing stands out. Mixing 4-letter and 10-letter words gives the grid visual texture and gives the solver footholds.
• Watch for accidental substrings. If your list has both CAT and CATALOG, a solver who finds CATALOG has found CAT for free. This is not wrong, but it makes the puzzle shorter than the word count suggests.
• Uncommon letters are your friend. Words with J, Q, X and Z are easy to spot in a field of filler, which makes them good entry points for a beginner puzzle and worth avoiding in a hard one.
• Commit to a theme.“Kitchen utensils” sells better than “assorted words”, both to the reader and to Amazon’s search. A themed book is also far easier to write a title and description for.

If you are still deciding what to build a book around, the Amazon Keyword Suggestion Expander shows what puzzle-book buyers are actually typing into Amazon, which is a better starting point than a theme you happen to like.

From one page to a book you can publish

One puzzle page is not a book. KDP requires a minimum of 24 pages for a paperback, and a puzzle book that sells generally runs 60–120 pages with an answer key section, a title page, and consistent formatting throughout. Doing that a page at a time is not a workflow — it is a reason people abandon the project.

Book Studio is the paid product that does the rest: generate 50 or 100 unique puzzles in one run with duplicate checking across the whole set, lay them out on the trim size you have chosen, generate a matching answer key section, and export a KDP-validated interior PDF that has already been checked against Amazon’s margin, bleed, DPI, and font-embedding rules before you upload it.

The free tool and the paid editor run the same generation and rendering code. What you are testing here is genuinely the thing.

Build a full puzzle book in Book Studio →

Before you publish

Two free checks are worth running on any low-content book before it goes live:

• KDP Cover Calculator — computes the exact spine width and full cover dimensions for your page count and paper type. Getting this wrong is the most common reason a cover is rejected.
• KDP Listing Checker — tests your title, subtitle and description against Amazon’s published metadata rules, which is where forbidden characters and promotional claims get caught.