Free tools for authors
Small tools that each solve one part of writing and publishing a book. No signup, no email wall — the answer comes first.
Audiobook
- Audiobook Length Estimator — Finished audiobook hours from your word count
Marketing & listing
- Book Description Generator — A sales blurb written for Amazon
- Author Bio Generator — A bio for your back cover and Amazon profile
- Pen Name Generator — Author pen name ideas for your genre
- Book Series Name Generator — Series names that tie your books together
- Author Tagline Generator — A one-line brand tagline for your author name
- Book Subtitle Generator — A keyword-rich subtitle for non-fiction
- KDP Keyword Generator — Seven backend keywords readers actually search
- Amazon Category Finder — The best-fit KDP categories for your book
- Back Cover Copy Generator — The selling text for your print back cover
- Book Club Questions Generator — Discussion questions for your novel
- Book Tagline Generator — A short marketing hook for your cover and ads
- Author Newsletter Welcome Generator — A warm welcome email for new subscribers
- Book Social Media Post Generator — Posts to promote your book without sounding salesy
- Book Press Release Generator — A media-ready press release for your launch
- Review Request Generator — A polite email asking readers for a review
- Comp Title Finder — Comparable books to position yours
- Author Interview Questions Generator — Questions for podcasts and blog features
- Author Blog Post Idea Generator — Blog topics that bring readers to your site
- Query Letter Generator — A query letter to pitch literary agents
- Amazon Ad Copy Generator — Ad copy for Amazon Sponsored Products
- Reader Magnet Idea Generator — A free offer that grows your email list
- Book Genre Finder — Identify the genre and shelf for your book
- Author Bio for Social Media — A short bio for Instagram, X and TikTok
- Author One-Liner Generator — A single sentence that sums you up
- Book Hashtag Generator — Hashtags to reach readers on BookTok
- Book Title Series Namer — Matching titles across a whole series
- Wattpad Story Description Generator — A description that gets your Wattpad story read
- Library Pitch Generator — Get your book into libraries
- Bookstore Pitch Generator — Pitch your book to indie bookshops
- Going Wide Checklist Generator — A plan to publish beyond Amazon
- Apple Books Keyword Generator — Keywords for Apple Books discovery
- Universal Book Blurb Generator — One blurb that works on every store
- Aggregator vs Direct Advisor — Should you use Draft2Digital or publish direct?
- Foreign Rights Pitch Generator — Pitch your book for translation deals
- Newsletter Swap Pitch Generator — Grow your list by cross-promoting with authors
- Book Sales Funnel Planner — A plan to turn readers into fans and sales
- Content Warning Generator — Content notes readers expect for your book
- ARC Team Invite Generator — Recruit advance readers for launch reviews
Money & pricing
- KDP Royalty Calculator — Kindle and paperback royalty, after printing and delivery
- Book Printing Cost Calculator — Per-copy printing cost at current KDP rates
- Kindle Unlimited KENP Calculator — Estimate your Kindle Unlimited page-read earnings
- Book Pricing Calculator — A recommended price range for your book
- Royalty Comparison Calculator — What each store pays you at the same price
- Editing Cost Estimator — What professional editing will cost by word count
- Translation Cost Estimator — What translating your book will cost per language
- Self-Publishing Budget Calculator — What it costs to publish your book
- Book Break-Even Calculator — How many copies to earn back your costs
- Amazon Ads ACoS Calculator — Your break-even ACoS for book ads
- Audiobook Royalty Calculator — Your earnings per audiobook sale
- Series Read-Through Calculator — What a series reader is really worth
- Author Income Goal Calculator — How many books to sell for your target income
- Apple Books Royalty Calculator — Your earnings per sale on Apple Books
- Kobo Royalty Calculator — Your earnings per sale on Kobo
- Google Play Books Royalty Calculator — Your earnings per sale on Google Play
- Box Set Price Calculator — Price a bundle so readers save and you earn
- Format Earnings Calculator — Ebook vs paperback vs audiobook per sale
- Writing Hourly Rate Calculator — What your writing earns you per hour
Print & format
- Book Spine Width Calculator — Exact spine width from page count and paper type
- Word Count to Page Count Converter — How many printed pages your manuscript makes
- ISBN Checker — Validate an ISBN-10 or ISBN-13 check digit
- Gutter Margin Calculator — The inside margin your page count needs
- IngramSpark Printing Cost Calculator — Per-copy print cost for wide distribution
- Copyright Page Generator — A proper copyright page for your book
- Book Cover Brief Generator — A clear brief to hand a cover designer
Writing & planning
- Reading Time Calculator — How long your book takes to read
- Reading Level Checker — Flesch–Kincaid grade and reading ease for your text
- Chapter Length Calculator — Target words per chapter and chapter count
- Book Launch Timeline Calculator — A backwards schedule from your launch date
- Words Per Day Calculator — Your daily word goal to finish on time
- Book Title Generator — 20 title ideas from your genre and premise
- Chapter Title Generator — Chapter title ideas that fit your book
- Character Name Generator — Names that fit your character and setting
- Plot Idea Generator — Story premises and what-if hooks
- Book Dedication Generator — A heartfelt or witty dedication line
- Logline Generator — Your whole book in one sentence
- Writing Prompt Generator — Fresh prompts to start writing today
- Fantasy Name Generator — Names for places, kingdoms and characters
- Acknowledgements Generator — A warm acknowledgements section
- Book Elevator Pitch Generator — A 30-second spoken pitch for your book
- First Line Generator — Opening lines that hook a reader instantly
- Plot Twist Generator — Twists that recontextualise your story
- Character Backstory Generator — A past that explains who your character is
- Villain Generator — An antagonist with a believable motive
- Story Conflict Generator — The tension that drives your plot
- Book Outline Generator — A chapter-by-chapter outline to write from
- Meet-Cute Generator — First-meeting scenes for romance
- Synopsis Generator — A one-page synopsis for agents and submissions
- Story Theme Generator — The deeper meaning under your plot
- Story Setting Generator — Vivid places for your story to unfold
- Series Bible Generator — A reference to keep your series consistent
- Non-Fiction Hook Generator — An opening that earns a reader's attention
- Dialogue Generator — Natural dialogue for a scene between characters
- Character Flaw Generator — Flaws that make characters feel real
- Character Arc Generator — How your character changes across the book
- Cliffhanger Generator — Chapter endings that force one more page
- Subplot Generator — Secondary threads that deepen your story
- Prologue Generator — A prologue that hooks without spoiling
- Writing Pep Talk Generator — Motivation to hit your writing target
- Epigraph Generator — A quote to open your book or chapter