Talk to usKDP backend keywords are the terms you enter in the Keywords section of your book’s details. Choose language that accurately describes the content and the reader’s intent, then use the available fields efficiently. The free Adigy keyword formatter helps arrange your chosen terms; the choice of relevant terms comes first.
This guide combines the founder’s KDP workflow with Amazon’s keyword instructions, reviewed September 26, 2026. Keyword changes do not guarantee search placement or sales.
Where do you find and update KDP backend keywords?
- Open KDP Bookshelf and sign in.
- Find the book and the format you want to edit. Open its three-dot menu.
- Select the option to edit that format’s book details.
- Locate Keywords and edit the entries. KDP allows up to seven keywords or short phrases; follow the field’s displayed character limit.
- Continue through the setup pages using Save and Continue, then publish from the Pricing page.
These steps follow KDP’s update workflow. Saving an intermediate page is not the final publishing step. Record the previous entries before changing them, so you have a useful comparison and a way to restore your wording.
Choose terms around the reader’s intent
Start with the manuscript and the person who will buy it. Write down the problems it solves, its level, setting, practical constraints, and distinctive features. For fiction, consider the experience a reader wants: tone, character relationships, setting, and themes.
Keep the buyer and end reader separate when needed. Someone buying an activity book as a gift may care about age suitability, difficulty, and usable page space. The person doing the activities may care about the subject and style. Your terms should describe an actual fit for both.
Then inspect the search results for your candidate language in the intended marketplace. Ask what a shopper would expect from those results. A word that appears relevant to you can be ambiguous in the market. Search suggestions offer ideas, not verified demand or proof that a term will convert.
Amazon advises avoiding duplicated metadata, misleading competitor identities, unauthorized brands, promotional claims, and unnecessary word variants. Keep phrases in a sensible order and do not wrap them in quotation marks. See the complete keyword rules before publishing.
A fictional rose-growing example
Suppose a book genuinely teaches new gardeners to grow roses in containers on small patios. Its title already includes “roses” and its category already establishes gardening. The following is an editorial exercise, not a researched keyword recommendation or a promise of search volume.
| Candidate idea | Decision to make | Reason |
|---|---|---|
| small patio containers | Consider if this accurately describes the growing setup. | It identifies a practical constraint beyond the broad subject. |
| seasonal pruning | Consider if the instructions cover it and metadata does not already do so. | It names a concrete task a reader might need help with. |
| indoor hydroponics | Exclude if the book does not teach it. | A gardening connection alone does not make the intent relevant. |
| best gardening book | Remove the promotional claim. | It says little about the contents and conflicts with KDP’s guidance. |
A narrower term is useful when it captures a real use case. It is not automatically better merely because it is longer. Avoid stacking marginal topics just to fill every available character.
Check the description against your shortlist. If a term promises a feature that the description never mentions, investigate why. Either the feature deserves a clear explanation on the page or the term may be a poor fit. Our book detail-page guide helps align the promise and the evidence.
How to use Adigy’s free keyword formatter
The formatter handles the packing step. It does not research demand, inspect your manuscript, check prohibited claims, or submit changes to KDP.
- Open the backend-keywords formatter.
- Paste your chosen words or phrases, one entry per line.
- Select Format keywords.
- Review every resulting field, including any message about omitted terms.
- Copy each output into a separate KDP field, review it there, and complete the publishing steps above.
The current tool packs entries into at most seven fields of 50 characters. It lowercases text, removes selected filler entries and duplicates, applies a simple plural check, and splits entries at hyphens. It can also reorder entries to fit them. Inspect names, compound words, and phrases after formatting because those transformations may change how you intended to express an idea.
small patio containers
seasonal pruning
balcony planting
These entries total 56 characters including separating spaces, so they cannot all fit in one 50-character field. The tool distributes them across fields. Add them only if they genuinely describe your book; this example demonstrates formatting, not keyword research.
Long entries and entries that do not fit the available space may be omitted. Read the message, compare the output with your original shortlist, and shorten or prioritize terms deliberately. Filling all seven fields is less important than preserving accurate meaning.
Are KDP keywords the same as Seller Central search terms or ad keywords?
They are separate settings with different jobs. This tutorial is for the KDP Bookshelf workflow. Instructions for a Seller Central search-terms attribute should not be pasted into KDP as if both interfaces shared one field or one capacity rule.
Advertising targets belong to campaigns. Editing a book’s backend metadata does not itself change campaign bids or add negative keywords. Likewise, excluding an advertising search term does not rewrite your book’s metadata. See our negative-keyword guide for the advertising workflow.
That distinction also matters when reusing research. An ad report can reveal how shoppers describe a need, but do not copy every term mechanically into metadata. Relevance, accuracy, and the destination field’s rules still apply.
Keep a useful change record
Save the old and new terms, the date submitted, the book format, and the marketplace you reviewed. Record simultaneous changes to the price, description, promotions, and campaigns. This avoids attributing every movement in sales to the last keyword edit.
Review new ideas when the contents, audience understanding, or seasonal buying context changes. Avoid making rapid revisions based on one search or a handful of sales. Your own search result is an observation under particular conditions, not a complete measure of visibility.
Adigy automates recurring advertising work within your chosen goals. This free formatter supports a separate publishing task: arranging the backend terms you have selected. Format your keyword shortlist, then check that the product page gives those readers a reason to buy.