---
title: "Free Puzzle Makers & Publishing Tools — No Signup | PuzzleBindery"
description: "Every free tool on PuzzleBindery in one place: word search, sudoku, maze and codeword makers, a KDP spine width calculator, the paperback specs reference, and 150+ printable puzzles with answers."
canonical_url: "https://puzzlebindery.com/tools"
source: "PuzzleBindery"
---
# Free tools

Everything here is free and needs no signup. The makers generate a fresh puzzle every time and export a print-ready PDF, PNG or JPG with the answer key included.

## Puzzle makers

[**Word Search Maker** 88 built-in themes or your own word list, three difficulty levels. _Large print option for low-vision readers_](https://puzzlebindery.com/word-search-maker) [**Sudoku Maker** 4×4 to 9×9, easy through expert, every puzzle verified to have one solution. _Answer key generated automatically_](https://puzzlebindery.com/sudoku-maker) [**Maze Maker** Easy to expert, always exactly one path from top to bottom. _Solution path included_](https://puzzlebindery.com/maze-maker) [**Codeword Maker** Cipher crosswords where numbers stand for letters. Pick the starter letters. _Three difficulty levels_](https://puzzlebindery.com/codeword-maker)

## Printable puzzles, ready to go

[**88 themed word searches** From Christmas to Classic Cars — each with a real grid and its answers. _Print straight from the page_](https://puzzlebindery.com/printable/) [**88 themed word scrambles** The same themes as jumbled-word sheets, answers at the bottom. _Good classroom finishers_](https://puzzlebindery.com/printable/christmas-word-scramble) [**Printable mazes** Easy, medium, hard for adults and expert — four to a page with solutions. _Ages 4 to grown-up_](https://puzzlebindery.com/printable/easy-mazes) [**Free puzzle packs** Whole PDFs instead of single pages: word searches, mazes, sudoku, codewords. _One file, print as many copies as you like_](https://puzzlebindery.com/free-word-search-pack)

## For people publishing books

[**KDP Spine Width Calculator** Spine width and full wrap size from your page count and paper stock. _All four KDP paper types_](https://puzzlebindery.com/cover-calculator) [**KDP Paperback Specs** Gutter tiers, bleed rules, spine text limits and the page ceilings per paper. _The numbers that cause rejections_](https://puzzlebindery.com/kdp-specs) [**Publishing guides** Margins and bleed explained, software compared, how to start on KDP. _Worked examples and file checks_](https://puzzlebindery.com/blog/) [**The Book Studio** Assemble puzzles into a complete book with covers, solutions and page numbers. _Free to use, $49 once, plus applicable tax, for clean book exports_](https://puzzlebindery.com/app)

## Start with a complete book proof

[**Build a Sudoku book with numbered answer keys.**200 puzzles · 94-page example · 6 × 9 inches_Try the working starter and inspect its PDF_](https://puzzlebindery.com/sudoku-book-generator)[**Make a large-print word search book you can check on paper.**40 puzzles · 48-page example · 8.5 × 11 inches_Try the working starter and inspect its PDF_](https://puzzlebindery.com/large-print-puzzle-book-maker)[**Assemble a mixed puzzle activity book with answers.**23 puzzles · 34-page example · 8 × 10 inches_Try the working starter and inspect its PDF_](https://puzzlebindery.com/kids-activity-book-maker)