Free ToolNew: Amazon KDP Spine & Cover Calculator is 100% free!
The Ultimate Publishing Suite for KDP Self-Publishers

Create 10 Unique KDP Puzzle Books in 5 Minutes

The ultimate all-in-one publishing suite. Generate mathematically unique puzzles, custom shape-masked mazes, and print-ready covers designed for instant Amazon KDP upload.

100% Amazon KDP Print Compliant300 DPI Vector PDF ExportZero Duplicate Ban RiskAuto Spine & Bleed Calculations
Best For:KDP Self-PublishersActivity & Puzzle AuthorsLow-Content CreatorsEtsy Sellers & Agencies
Live KDP Vector Templates

High-converting low-content & puzzle layouts

Hover to Pause
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Heart LabyrinthMaze
Perfect for Valentine KDP niches
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Sudoku GridMath Logic
100% compliant trim sizing
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Word SearchPuzzle
Vocabulary & clue layout builder
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Daily PlannerLow-Content
Schedule, priorities & water logging
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Lined JournalLow-Content
Classic horizontal writing lines
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CryptogramQuotes
Shuffled letter decryption keys
Math sumsArithmetic
Sums, grid puzzle fill sheets
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Heart LabyrinthMaze
Perfect for Valentine KDP niches
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Sudoku GridMath Logic
100% compliant trim sizing
🔍
Word SearchPuzzle
Vocabulary & clue layout builder
☀️
Daily PlannerLow-Content
Schedule, priorities & water logging
📖
Lined JournalLow-Content
Classic horizontal writing lines
🔐
CryptogramQuotes
Shuffled letter decryption keys
Math sumsArithmetic
Sums, grid puzzle fill sheets
100% Commercial Use Rights

Engineered for KDP Bestsellers

Generate unlimited vector interiors and full-bleed covers ready for Amazon KDP upload.

Full KDP Publisher

All-In-One Studio

Wrap-around full-bleed covers, interior manuscript assembly, and complete KDP book builder.

Launch Studio Engine
67+ Presets & Blank Canvas

Coloring Book Studio

Coloring & color-by-number pages -- mandalas, stained glass, flags, cars, and blank canvas.

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Custom Shape Mask

Labyrinth & Maze Engine

Square, Heart, and Circle shape-masked mazes with single-solution paths and KDP-safe margins.

Launch Studio Engine
300 DPI Vector

Sudoku Studio

Bulk Sudoku grids, Easy to Hard, each verified for exactly one unique solution.

Launch Studio Engine
CSV Import

Word Search Studio

Import a word list or CSV, build the grid, export the interior sheet with clue layouts.

Launch Studio Engine
Pro Batch Builder

KDP Bulk Book Batch Studio

Queue dozens of puzzle book interiors, import configurations via CSV, and compile ready-to-upload files in bulk.

Launch Studio Engine
Auto-Generate

Crossword Studio

Custom crosswords, 10x10 to 20x20, up to 1,000+ pages, with auto-intersecting clues.

Launch Studio Engine
Cipher Engine

Cryptogram Studio

Substitution-cipher worksheets from your own quotes, up to 1,000+ pages with solution keys.

Launch Studio Engine
Arithmetic Grid

Math Puzzle Builder

Arithmetic and logic-grid sheets for kids, seniors, and KDP activity workbooks.

Launch Studio Engine
Vocabulary Builder

Word Scramble Studio

Scramble your word list into activity worksheets, ready for instant export.

Launch Studio Engine
Number Sum Logic

Kakuro Generator

Number-sum logic grids, 4x4 to 9x17, Easy to Expert with solution answer keys.

Launch Studio Engine
30+ Tools — No Signup Required

Free KDP Tools Every Publisher Needs

Calculators, generators, and utilities for every stage of publishing — completely free, no account required.

User Feedback

What Publishing Creators Say

Feedback from authors using our KDP automation tools & generators.

Read & Share Reviews on Trustpilot
5 / 5 Stars

"As a KDP website i think it can bring a lot of opportunities"

As a KDP website i think it can bring a lot of opportunities. So many awesome tools in a all in one studio.

MN
Meher NayeemAug 12, 2026
Verified Trustpilot Review
5 / 5 Stars

"Smooth and satisfying"

The whole experience feel really well and smooth enough. Also the page itself is very responsive and user friendly. Definitely a must-try!

Ajmain Rahman Ifti
Ajmain Rahman IftiAug 11, 2026
Verified Trustpilot Review
5 / 5 Stars

"Hmm it is good initiative kdp tool"

Hmm it is good initiative kdp tool. Constantly improving and adding value for KDP creators.

SA
SaqibAug 11, 2026
Verified Trustpilot Review
4 / 5 Stars

"Pretty good website for amazon KDP creators"

Pretty good website for amazon KDP creators.

TA
TaspiaAug 5, 2026
Verified Trustpilot Review
5 / 5 Stars

"All in one KDP creation service"

I would like to create KDP tools with this website because it provides me all in one service.

Tofajjal Hossain Emon
Tofajjal Hossain EmonAug 3, 2026
Verified Trustpilot Review
5 / 5 Stars

"One of the best tools for KDP puzzles"

In the field of KDP puzzle, it is one of the best tools.

TI
Tarequl Islam MahinAug 2, 2026
Verified Trustpilot Review
5 / 5 Stars

"Very impressive website"

It is really a very impressive website. Well done and keep it up.

IS
Imad SurjoAug 2, 2026
Verified Trustpilot Review
5 / 5 Stars

"Good website for KDP automation"

Useful platform for creating activity books, puzzle interiors, and print-ready covers efficiently.

SM
Sedi MoulayAug 1, 2026
Verified Trustpilot Review
Check Our Live Reviews on Trustpilot

Built for Bestselling KDP Authors

3 technical foundations built into every book you create with KDPage.

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KDP-Spec Formatting

Automatic gutter margins (0.375" - 0.5") based on total page count, calculated to meet Amazon KDP's bleed and safety-margin specifications.

Bleed & SafetySpec-Compliant
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Single-Solution Uniqueness

Our backtracking solver evaluates countSolutions(grid, 2) to mathematically guarantee exactly 1 unique solution per grid.

Sudoku & LogicMathematically Verified
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Fabric.js Cover Math

Calculates exact spine thickness pageCount * 0.002252" for crisp, professional wrap-around covers.

Cover StudioZero Trim Shift

Final approval remains subject to Amazon KDP's own review process and content policies.

Transparent & Fair Creator Pricing

Simple, Value-Packed Pricing

Create profitable books with ease. Choose a plan that matches your publishing scale.

Free Tier

$0forever free
  • Access to basic puzzle generators
  • Watermarked PDF exports (Sample only)
  • Easy Sudoku generator
  • Square-masked maze layouts
  • 1 Chapter Outline / mo
  • Access to free tools & KDP guides

Starter Creator

$11.99/ month
  • Full Commercial Rights (Keep 100% royalties)
  • Watermark-free vector PDF exports
  • Up to 3 brand & pen-name profiles
  • Standard trim sizes (6"x9", 8.5"x11")
  • Cover & Interior Canvas Studio
  • Easy & Medium Sudoku puzzle generator
  • Generate up to 5 Chapters / mo
  • Email support (24-48h response)
Most Popular

Pro Studio

$21/ month
  • Watermark-free PDF exports (All sizes + Custom)
  • 100% Commercial-use rights
  • Up to 10 Brand & pen-name profiles
  • Full Sudoku Engine (Easy, Med, Hard)
  • Shaped Labyrinth Generator (Circle, Heart)
  • Word Search, Cryptogram & Scramble Studio
  • Premium Cover & Interior Canvas Studio
  • Priority Customer Support (under 12 hours)

Publisher Agency

$39/ month
  • Everything in Pro Studio plan
  • Up to 3 team member account seats
  • Vector SVG & source file exports
  • Advanced custom shapes & interior styling
  • KDP Niche Hunter & Keyword Spy
  • Bulk batch generation & CSV import
  • Dedicated customer support manager
🎁 Free KDP Checklist

Get the Ultimate KDP Bestseller Checklist

Not ready to join? Download our free step-by-step formatting guidelines, bleed/gutter cheat sheet, and 50 low-competition puzzle keywords to start making sales.

Secure & Compliant

Designed for Amazon KDP Specs

All PDF exports automatically include precise gutters, safety bleed buffers, standard book sizes (6"x9", 8.5"x11"), and optimized vector paths ready for printing.

KDPage | KDP Book Creator: Puzzle Interiors, Covers & Free Tools