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Free KDP Tools & Calculators
Level up your self-publishing journey with countless free tools and resources developed by the BookBird team.
Every tool is free, works in your browser and needs no sign-up
Write your book
- Plot GeneratorA story premise for your genre
- Character GeneratorA full character sheet, by genre
- Writing PromptsStory ideas and a sprint timer
- Character Name GeneratorNames with meanings, by genre
- Book Title GeneratorTitle ideas for your genre
- Pen Name GeneratorAn author name to publish under
Edit your book
- Readability CheckerFlesch score, passive voice, adverbs
- Words to PagesHow many pages your book will be
- Reading Time CalculatorHow long your book takes to read
Publish on KDP
- Cover CalculatorSpine width and full cover size
- Royalty CalculatorWhat you earn per copy
- ISBN BarcodeA barcode for the back cover
- KENP CalculatorKindle Unlimited page-read pay
- QR Code GeneratorQR codes for your print book
- Book Launch ChecklistEvery step from manuscript to launch
Sell more books
- Sales (BSR) CalculatorCopies a day from any sales rank
- Category FinderThe right Amazon categories
- Niche ResearchCheck a niche before you write
- Keyword OrganizerFill your 7 KDP keyword slots
- Hashtag GeneratorHashtags readers follow
Templates & guides
- Free templatesKDP interiors and checklists
- All guidesWriting, publishing and marketing
- Write your first bookFrom idea to finished draft, step by step
- Publish on Amazon KDPAccount, files, pricing and launch
- Low-content booksJournals and logbooks that sell
Software for authors
- Writing software12 apps to draft and organize a book
- Editing & grammarGrammar, style and readability checkers
- FormattingTurn a manuscript into ebook and print files
- ProWritingAid vs GrammarlyTwo editing tools, side by side
- Atticus vs VellumTwo book formatters, side by side
- All softwareEvery app we score, by job