Free author resource
Format your KDP backend keywords.

Use the input below to distribute backend keywords for your KDP books as efficiently as possible. Enter the words or phrases you would like to use, then copy the generated fields into the Book Details section of KDP Bookshelf.
Open KDP BookshelfKeyword formatter
Make the seven fields work harder.
Each field is kept to KDP's 50-character limit. Common filler terms, duplicates, and duplicate plural forms are removed before the remaining keywords are distributed across the available fields.
Ready for KDP
Your backend keywords
Paste each line into a separate KDP keyword field.