How do I find Amazon KDP keywords?
Finding the right Amazon KDP keywords is the single most important thing a self-published author can do to improve their book's discoverability. KDP keywords determine which reader searches your book appears in. Choose the right ones and readers who want exactly what you have written will find you organically. Choose the wrong ones and your book becomes invisible, regardless of how well it is written or how good your cover is. Finding Amazon KDP keywords starts with understanding how readers search for books. Readers do not search for your book by name: they search by genre, sub-genre, trope, theme, audience, setting or comparable author. A reader looking for a cosy mystery set in a bakery types 'cosy mystery baking' or 'bakery cosy mystery series', not the title of a book they have never heard of. Your KDP keywords need to match those reader-first search patterns. There are three reliable methods: researching Amazon's autocomplete suggestions in the Kindle Store, analysing the keywords behind books that already rank in your category, and using a dedicated KDP keyword tool that surfaces search volume and competition data. Used together, these three approaches give you a comprehensive keyword list that covers the full range of searches relevant to your book. Go to Amazon's Kindle Store (not the main Amazon search bar) and begin typing a genre or theme relevant to your book. Amazon will display autocomplete suggestions below the search bar: these are real phrases that readers have searched frequently enough for Amazon to suggest them. Work through variations systematically, starting with your primary genre and expanding into sub-genres, tropes and themes. For each root phrase, try adding different words to the end to surface new suggestions. Type 'cosy mystery' and note every suggestion. Then try 'cosy mystery series', 'cosy mystery small town', 'cosy mystery with recipes' and so on. Each variation reveals a cluster of searches you may not have considered. Save every suggestion that is relevant to your book, even if the volume looks modest: long-tail keyword combinations can collectively drive significant traffic. Books that already rank well in your genre are indexed for the keywords that drive discoverability in that category. Analysing those books reveals which search terms Amazon has already validated as relevant, high-intent and commercially successful in your niche. This is faster and more targeted than building a keyword list from scratch because the market has already done the filtering for you. Find the top three to five books in your category, look at their titles, subtitles, series names and the categories they are listed under. Pay attention to the language used: the exact words in a bestselling title reflect what readers respond to and search for. Note any phrases you would not have thought of yourself and add them to your keyword research list for further investigation. Manual research gives you a starting point, but it cannot tell you how many readers search a phrase each month or how competitive a keyword is. Dedicated keyword tools close that gap by combining real Amazon search data with volume estimates, competitive density scoring and classification by keyword type. Keyword Hunters offers three tools built specifically for book sellers and KDP authors, each serving a different stage of the research process: KDP gives you several places to include keywords: the book title, subtitle, series name, book description and seven backend keyword fields. Each placement has a different effect on Amazon's indexation and on reader-facing discoverability. Your title and subtitle are the most visible keyword placements and the ones Amazon weights most heavily for search indexation. They are also what readers see first, so they must read naturally and accurately represent your book. Do not force awkward keyword phrases into a title at the expense of readability: a subtitle is often the better place to include additional genre or trope signals naturally. The seven KDP backend keyword fields, each allowing up to 50 characters, are specifically designed for additional search terms that do not appear naturally in your title or description. These fields are hidden from readers but contribute directly to Amazon's indexation of your book. Use them for the remaining high-priority keywords from your research that are not already covered by your title and subtitle.
Learn how to find Amazon KDP keywords that readers actually search for, using autocomplete research, competitor book analysis and dedicated KDP keyword tools.