Skip to content

Writing fiction? Draft scenes from your outline with AI built for fiction Sudowrite · free trial, no card · affiliate link

All free tools

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

  • Example result

    60,000 words · 6 × 9 · Garamond 11 pt, 1.15 spacing158 pages3 h 51 min to read
    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

107 apps and services for writing, publishing and selling a book, each with a BookBird Author Score computed from facts on the vendor’s own site. Nobody pays to be listed.

All software

The BookBird letter

Get the next free tool first

New free tools and templates, and one practical self-publishing tip, at most twice a month.

The BookBird letter

New free tools and templates, and one practical self-publishing tip, at most twice a month.

No spam. Unsubscribe from any email. Privacy policy.

Start here

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

All guides

Browse by topic: Book writingSelf-publishingAmazon KDPBook marketingLow-content booksPrint on demandGlossary