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Free self‑publishing tools and guides for Amazon authors

BookBird helps you write your book, publish it on Amazon and sell it — calculators, generators, templates and guides. Free, no sign-up.

Numbers based on Amazon KDP’s current print costs and royalty rules

KDP sales calculator

How many copies does a book sell?

Marketplace

Amazon.com (US)

Format
A day≈ 6 copies
A month≈ 180 copies
Open the full calculator

Add price and pages in the full calculator to see your royalties too.

What do you want to do?

Pick a question. Every tool is free and answers right away — here is what each one gives you.

  • Will this book sell?

    Sales (BSR) Calculator

    Example result

    Sales rank 50,000 · paperback≈ 6 copies a day · 180 a month
    Open

  • What should I call my book?

    Book Title Generator

    Example result

    Fantasy · the word “tide”The Queen’s TideTide and Ashes · Beyond the Tide
    Open

  • Need a pen name?

    Pen Name Generator

    Example result

    English namesFlorence NorthcoteWarren Doughty · Yvonne Hollingsworth
    Open

  • Names for my characters

    Character Name Generator

    Example result

    Fantasy · ElfAelwen Erynaur“Fair brow” · also Legolin Menelrond
    Open

  • Example result

    FantasyA disgraced royal cartographer must win back her place at courtTwist: the history everyone was taught was written by the enemy
    Open

  • Who is my main character?

    Character Generator

    Example result

    Fantasy · Any roleElowen AshdownRebel · wants into the mages’ academy · secret: forbidden magic
    Open

  • Is my writing easy to read?

    Readability Checker

    Example result

    A 103-word fiction passageReading Ease 85.1 · EasyGrade 5.0 · 1 long sentence · 5 passive candidates
    Open

More free tools: Writing PromptsReading Time CalculatorKENP CalculatorNiche ResearchKeyword OrganizerHashtag GeneratorQR Code Generator

Free KDP templates

Print-ready KDP interiors we make ourselves, and a checklist for launch week. Free, no sign-up.

All templates
Free KDP interior templates: a weekly planner spread

Free interior templates

Notebooks, planners, journals, logs and coloring pages as print-ready KDP PDFs.

Download free PDFs
The Book Launch Checklist

Book launch checklist

Every task between a finished manuscript and launch day, in order.

Open the checklist

Software for authors

The apps authors use to write, edit and format a book, scored by one formula on price, features, Trustpilot reviews and search demand. Nobody pays to be listed.

All software

Start here

New to self-publishing? These guides cover the basics.

All guides

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