Metadata & Keyword Tools
Optimize your book title, subtitle, keywords, description, and categories for maximum Amazon discoverability.
Amazon Metadata Limits
Most Used Metadata Tools
All Metadata Tools
Amazon Keyword Suggester
Generate long-tail keywords based on your niche
Title/Subtitle Risk Score
Predict if your metadata is too spammy for KDP
Amazon Description Generator
Preview and format Amazon-friendly book descriptions
A+ Content Dimension Checker
Verify image sizes for Amazon A+ modules
7 Backend Keyword Optimizer
Pack all 50 characters per field for maximum reach
Subtitle Length Tester
Ensure titles look professional on mobile viewports
Amazon SERP Mockup Tool
Preview exactly how your book appears in Amazon search
Category Browser
Discover under-used KDP categories for your book
Series Continuity Auditor
Ensure series titles and subtitles match across all volumes
Keyword Competition Estimator
Rate difficulty of ranking for specific search terms
Metadata Optimization Tips
Keywords: Use all 350 characters. Don't repeat words—Amazon auto-combines. Skip commas. Include both singular and plural forms. Add common misspellings.
Categories: Pick 2 during publishing, then email KDP support to add up to 10. Target categories where #1 has Amazon rank 50,000+. Hidden categories often have less competition.
Description: Front-load your hook in the first 200 characters (that's what shows on mobile). Use HTML: bold for emphasis, breaks for paragraphs, bullets for benefits.