KDP Metadata & Categories: How to Get Your Book Found in 2026

Most KDP books fail because nobody can find them. Learn how to optimize your title, subtitle, 7 keywords, and categories using the metadata optimizer and keyword tools on kdptools.io.

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Popular Free KDP Tools

• Paperback Royalty Calculator
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Latest KDP Guides

• How to Self-Publish on Amazon KDP (Complete Guide)
• KDP Keyword Research in 2026
• KDP Pricing Strategy: Maximize Royalties
• 10 KDP Book Cover Design Tips
• KDP Taxes for Self-Publishers

KDP Tools is a free, AI-powered platform helping self-publishers succeed on Amazon Kindle Direct Publishing. We offer 50+ tools including royalty calculators, keyword research, book cover design, AI book writers, niche research, and more — all built specifically for KDP authors.