Live tools
75
Focused author and publishing tools ready to use today.
BookWriter Free Tools
Free writing and publishing tools for authors who need the next useful step.
Use these to name characters, shape the plot, tighten the packaging, build the outline, and sanity-check publishing math without getting buried in a full app flow.
No signup
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Barrier before the first result. Use the tool first, decide later.
Core lanes
5
Story craft, fantasy names, packaging, drafting plans, and publishing decisions.
Start here
Start with the tool that unblocks the book.
Immediate utility
Each page is built around one concrete job with a short form and a result you can use immediately.
Cleaner inputs
The fields are narrow on purpose so you can get a sharper result without filling in your whole book first.
Connected workflow
When one tool gives you a winner, you can carry it forward into BookWriter and keep building from there.
Characters and Story Craft
Build characters, pressure the plot, and turn a premise into scenes worth drafting.
- Open toolAI-guidedromance writing prompts
Romance Writing Prompt Generator
Get romance prompts built on the only thing that makes the genre turn — two people who want things that cannot both be won, and a reason neither of them can just say so. Sorted by the beats that actually move a love story.
Give me a romance prompt with real tension, not just two attractive people in a room.
- Open toolAI-guidedfantasy writing prompts
Fantasy Writing Prompt Generator
Get fantasy prompts built on the only thing that makes the genre turn — a rule of the world with real consequences, and a character already caught paying its cost. Not a dragon. Not a map. A cost someone is living inside.
Give me a fantasy prompt with a rule that costs something, not just a creature.
- Open toolAI-guidedhorror story prompts
Horror Writing Prompt Generator
Get horror prompts built on the only thing that makes the genre turn — dread of a specific loss the character can feel approaching, embodied in wrongness. Not the monster. What the monster is going to take, and the calm before it does.
Give me a horror prompt with real dread, not just a monster and some blood.
- Open toolAI-guidedsci fi writing prompts
Sci-Fi Writing Prompt Generator
Get sci-fi prompts built on the only thing that makes the genre turn — a speculative change with a human cost of adapting, and a character already living inside it. Not a gadget. Not a starship. The price of being the person who has to adjust.
Give me a sci-fi prompt with a real change and a human cost, not just a gadget.
- Open toolAI-guidedmystery writing prompts
Mystery Writing Prompt Generator
Get mystery prompts built on the only thing that makes the genre turn — a question that resists answering. A clue pointing two ways. A witness lying for a real reason. A detail that does not fit. Not a body. A question that will not stay answered.
Give me a mystery prompt with a real puzzle, not just a body and a detective.
- Open toolAI-guidedai poem generator
AI Poem Generator
Get finished poems — not prompts, not outlines — built on the only thing that makes verse live: a tension held between two images, rather than a feeling named outright. Choose a form, name a subject, and read fifteen complete poems you can keep, edit, or break apart.
Write me a real poem on my subject — not a list of pretty words.
- Open toolAI-guidedbook tropes generator
Book Tropes Generator
Get trope stacks built to combust, not cancel — grouped by the reader feeling each one generates, with notes on how to combine them without flattening the story. Built for the writers and readers who actually argue about this stuff.
Help me pick tropes that generate the feeling my reader wants, and stack them so they do not cancel out.
- Open toolAI-guidedstory premise generator
Story Premise Generator
Turn a spark into three novel-ready premises — each one a specific person under a specific pressure facing a specific cost. Built to generate the structural engine a book can actually run on, not just a clever what-if.
Help me turn a spark into the structural engine a novel can actually run on.
- Open toolAI-guidedbook idea generator
Book Idea Generator
Get three book ideas scaled to a whole novel — each one naming an ideal reader, a category, a central question, and a structural shape — not one-line sparks you could get from a shower.
Give me book ideas sized to a whole novel, not one-line sparks.
- Open toolAI-guidedbook plot generator
Book Plot Generator
Develop your premise into three book-sized plot directions — commercial, character-driven, and escalated — with a protagonist objective, adaptive opposition, rising costs, and an ending path.
Turn this premise into a chain of choices that can hold a whole book.
- Open toolAI-guidedfirst line generator
First Line Generator
Turn your actual premise into twelve opening sentences across three strategies — lines you can place on page one, test aloud, and keep writing from.
Give me a first sentence strong enough to earn the second.
- Open toolAI-guidedcharacter flaw generator
Character Flaw Generator
Generate twelve flaws built for your character and plot — each one expressed as behavior, attached to a recurring cost, and capable of changing under pressure.
Give this character a flaw that causes scenes, not a label that decorates a profile.
- Open toolAI-guidedplot twist generator
Plot Twist Generator
Paste the story you already have and get twist ideas built against it — grouped by the reader belief each one breaks, with a note on where the clue has to be buried.
Help me find a twist that breaks the story open without breaking the story.
- Open toolAI-guidedstory idea generator
Story Idea Generator
Get three fully developed story premises — not three sentences and not three pages of prose. A hook, a protagonist who wants something, the force in their way, and the reason a reader keeps turning.
Give me an idea worth spending a year on.
- Open toolAI-guidedwriting prompt generator
Writing Prompt Generator
Get writing prompts built like scenes — somebody who wants something, and something standing in the way — sorted by prompt type so you can grab the one that will keep your hands moving for an hour.
Give me a prompt I can actually write today.
- Open toolAI-guidedai story generator
AI Story Generator
Turn one idea into three vivid story openings you can actually keep writing — then carry the one you love into a full book inside BookWriter.
Help me start this story.
- Open toolAI-guidedvillain name generator
Villain Name Generator
Generate antagonist names that carry menace, authority, or quiet dread — genre-fit and usable, not cartoonish.
Help me name my villain.
- Open toolAI-guidedcharacter generator
Character Generator
Generate three complete, ready-to-use characters — name, look, personality, motivation, and a flaw — that fit your story and stay distinct from each other.
Help me create a character.
- Open toolAI-guidedbook series name generator
Book Series Name Generator
Generate series name options that feel commercial, memorable, and strong enough to hold multiple books.
Help me name this series.
- Open toolAI-guidedbook character name generator
Character Name Generator
Generate character names that feel genre-fit, memorable, and usable across a full book or series.
Help me name this character.
- Open toolAI-guidedcharacter job generator
Book Character Job Generator
Generate jobs and occupations that create better conflict, sharper status dynamics, and more useful story pressure.
Help me find the right job for this character.
- Open toolAI-guidedcharacter description generator
Character Description Generator
Generate character descriptions that feel specific, visual, and actually useful for a story bible or opening scene.
Help me describe this character better.
- Open toolAI-guidedcharacter backstory generator
Character Backstory Generator
Generate backstory directions that explain the character’s damage, coping style, and present-day pressure without turning into life-story sludge.
Help me build this character’s backstory.
- Open toolAI-guidedfictional town name generator
Fictional Town Name Generator
Generate town and city names that feel usable on the page, fit the world, and help the setting feel intentional.
Help me name this place.
Fantasy Name Workshop
Create coherent names for fantasy peoples, creatures, magic users, and whole worlds.
- Open toolAI-guidedfantasy name generator
Fantasy Name Generator
Spin unlimited names from six transparent constructed root systems, see what each result means inside the bank, then tailor a matching set for your character, city, realm, species, or order.
Give me names that sound as though one world produced them.
- Open toolAI-guidedelf name generator
Elf Name Generator
Elf names built on real elvish phonology — the liquid consonants, long vowels, and long-memory naming customs readers already expect — grouped into high-court, forest-clan, and darker angles you can drop straight into a manuscript or a character sheet.
Help me name an elf that sounds like it has lived nine centuries.
- Open toolAI-guideddragon name generator
Dragon Name Generator
Name dragons the way the myths did: guttural elder wyrms, meaning-built Chinese long names, shoutable bonded companions, hatchlings, and the earned titles a dragon collects over centuries — three distinct naming angles per run.
Help me name a dragon that readers will fear, love, or pray to.
- Open toolAI-guidedvampire name generator
Vampire Name Generator
Every vampire worth writing has two names: the one carved on a headstone somewhere in the old country, and the one on the lease in 2026. This generator builds both — era-accurate birth names, street-legal modern aliases, and bloodline surnames that hold a whole coven together.
Name my vampire — the old name they were buried under and the alias they answer to now.
- Open toolAI-guidedfairy name generator
Fairy Name Generator
Generate fae names built on the actual rules of fairy folklore — Seelie and Unseelie court registers, use-names for bargain scenes, and nature names that read old instead of twee.
Help me name the fae in my story, game, or campaign.
- Open toolAI-guideddemon name generator
Demon Name Generator
Generate demon names built the way the old grimoires built them — real root syllables, rank-aware titles, and register control from biblical horror to anime — so your fiend sounds summoned, not keyboard-mashed.
Help me name demons that sound genuinely infernal instead of randomly generated.
- Open toolAI-guidedorc name generator
Orc Name Generator
Get orc names engineered the way orc names actually work — back vowels, hard stops, closed syllables — grouped into personal names, clan lines, and earned war-names, with female orc names that hit as hard as the male ones.
Give me orc names that sound genuinely orcish — for one character or a whole clan.
- Open toolAI-guidedwerewolf name generator
Werewolf Name Generator
Generate werewolf names built for a double life: first names that pass at a parent-teacher conference, surnames with real wolf etymology buried inside, and pack names that work as social structure.
Help me name a werewolf who has to live two lives under one name.
- Open toolAI-guidedmermaid name generator
Mermaid Name Generator
Generate mermaid, merman, and siren names built on real water phonetics — liquid consonants, long open vowels, names you can hold on a sung note — grouped by pod, depth, and register instead of dumped in one random list.
Help me name a mermaid, a merman, or a whole pod that sounds like it grew up underwater.
- Open toolAI-guideddwarf name generator
Dwarf Name Generator
Get dwarf names built the way dwarf cultures actually name themselves — craft-line surnames, patronymics that name the father or the forge, and beardless youth names a young dwarf has to earn out of — grouped into personal names, guild-lines, and earned epithets.
Give me dwarf names with real lineage and guild structure — for one character or a whole hold.
- Open toolAI-guidedgoblin name generator
Goblin Name Generator
Get goblin names built the way a swarm actually names itself — short, cheap, loud, and mean, clustered into warren-names, mob-nicknames, and the self-styled titles a cunning goblin squeaks up to — so a whole tribe reads as one pestilent people, not ten unrelated monsters.
Give me goblin names that sound like one swarm — for a single tinker or a whole warren.
- Open toolAI-guidedwizard name generator
Wizard Name Generator
Get wizard names built on the tradition that actually produced them — Latinized learned names, hermetic epithets, and the earned titles of a scholar who spent decades at the craft — grouped into personal names, school- or lineage-epithets, and the honorifics an archmage earns by outliving their rivals.
Give me wizard names with real scholarly weight — for one mage or a whole order.
- Open toolAI-guidedwitch name generator
Witch Name Generator
Get witch names built on the traditions that actually produced them — folkloric cunning-woman surnames, botanical craft-names drawn from the hedge and the hearth, and the coven-honorifics a witch earns from her sisters — grouped into given names, craft-names, and earned titles.
Give me witch names with real folkloric and botanical roots — for one witch or a whole coven.
- Open toolAI-guidedangel name generator
Angel Name Generator
Get angel names built on the theology that actually named them — theophoric roots meaning "of God," the choir a angel belongs to, and the function (messenger, guardian, warrior) the name describes — grouped into personal names, choir-affiliations, and the epithets an angel earns across millennia of service.
Give me angel names with real theophoric and theological structure — for one angel or a whole host.
Titles, Descriptions, and Submissions
Name the book, position its promise, and prepare the copy readers and gatekeepers see first.
- Open toolAI-guidedbook hook generator
Book Hook Generator
Turn your premise into three hooks that work on three different strangers — an irony hook for the skeptic scrolling past, a question hook for the curious browser, and a stakes hook for the reader who needs to know what is on the line.
Help me write the one line that makes a stranger stop scrolling and lean in.
- Open toolAI-guidedbook tagline generator
Book Tagline Generator
Get three taglines for your book — a mood tagline that lives on the cover, a promise tagline that names the experience, and a tonal tagline that carries the book's voice in a single breath. Each is short enough to survive at cover size.
Help me write the one line on the cover that makes a stranger feel the book.
- Open toolAI-guidedbook title generator
Book Title Generator
Turn your plot, topic, genre, and audience into nine original title candidates across three commercial angles — then test the shortlist like packaging, not poetry.
Help me find a title that fits this book and survives a retail thumbnail.
- Open toolAI-guidedpen name generator
Pen Name Generator
Spin unlimited shelf-ready author names with transparent name origins, then generate nine tailored candidates around your genre, audience, privacy needs, and brand tone.
Help me choose an author identity that fits the books and remains usable.
- Open toolAI-guidedabout the author generator
About the Author Generator
Write the About the Author page that closes your book, the retailer bio that sells it to strangers, and the personal version your newsletter readers actually answer — from one set of real details.
Write the About the Author page that closes my book.
- Open toolAI-guidedbook club questions generator
Book Club Questions Generator
Get a full reading-group guide for any book — opening questions, character questions, the theme questions people argue about, and a close — grouped and sequenced for a real ninety-minute discussion.
Give me discussion questions for this book.
- Open toolAI-guidedbook description generator
Book Description Generator
Write the Amazon product description that actually converts browsers into buyers — three paste-ready versions built for the KDP listing page, not the back of a paperback.
Write the description that goes on my Amazon listing.
- Open toolAI-guidedlogline generator
Logline Generator
Turn your premise into three loglines that do three different jobs — the irony-driven spec version, the character-forward version for literary work, and the comp-anchored version you would put in a query letter.
Help me say what my book is in one sentence that holds.
- Open toolAI-guidedquery letter generator
Query Letter Generator
Turn your premise, word count, and comps into three complete, sendable query letters — each built on a different strategy, so you can send the one your book actually needs.
Help me write the query letter I am about to send an agent.
- Open toolAI-guidedbook subtitle generator
Book Subtitle Generator
Generate subtitle options that clarify the promise, sharpen positioning, and make the book easier to understand.
Help me write the subtitle.
- Open toolAI-guidedbook synopsis generator
Book Synopsis Generator
Generate short and medium synopsis drafts you can actually use as a manuscript seed, pitch summary, or project overview.
Help me write the synopsis.
- Open toolAI-guidedback cover blurb generator
Back Cover Blurb Generator
Generate concise, emotional, and market-ready back cover blurbs for fiction or nonfiction books.
Help me write the back cover blurb.
- Open toolAI-guidedauthor bio generator
Author Bio Generator
Generate short, medium, and platform-ready author bios that sound credible without sounding inflated.
Help me write my author bio.
Outlines and Drafting Plans
Move from a loose concept into a chapter map, scene sequence, and finishable writing plan.
- Open toolDeterministicai book editor
AI Book Editor
Paste a sample of your manuscript, answer a short line-edit checklist, and get a prose readiness score with a prioritized fix list — a working self-edit machine, not a vague pep talk about editing.
Score this sample and tell me what to fix first.
- Open toolDeterministichow many words should my book be
Manuscript Word Count Calculator
Pick a category, audience, and pace of story, and get the word-count band a reader of that shelf expects — plus the reading hours your finished manuscript is promising someone.
Give me a target word range for the kind of book I am writing.
- Open toolAI-guidedchapter title generator
Chapter Title Generator
Get chapter titles written as the chapter’s first promise — titles that set tone, signal stakes, and earn the page-turn — not labels that announce what is already inside.
Write chapter titles that earn the page-turn, not labels.
- Open toolAI-guidedcharacter arc generator
Character Arc Generator
Map how a character changes across a whole book — from the lie they run on and the wound that planted it, through the pressure that cracks it, to the truth they either reach or refuse — as a sequence of six to ten stages.
Show me how this character changes, beat by beat, across the book.
- Open toolAI-guidedchapter outline generator
Chapter Outline Generator
Turn a premise into a 6–12 chapter map with a purpose for every chapter, visible escalation, named arcs, and enough structure to begin drafting without pretending the outline is the book.
Show me the book as a sequence of chapter jobs I can draft.
- Open toolDeterministichow long will it take to write a book
Writing Time Calculator
Turn a word-count goal and an honest weekly pace into a finish date, the number of writing sessions left, and four alternate schedules you can compare before you commit.
Tell me when this manuscript can realistically be finished.
- Open toolAI-guideddialogue generator
Dialogue Generator
Build three versions of the same exchange — direct pressure, buried subtext, and a power reversal — from what each character wants in the scene.
Help me write this conversation so it changes the scene.
- Open toolAI-guidedscene generator
Scene Generator
Take a scene you already know the book needs and get three executable blueprints: pressure-cooker, subtext-first, and reversal-led, each with an entry, escalation, turn, and exit.
Turn this necessary event into a scene that changes the story.
- Open toolAI-guidedmemoir outline generator
Memoir Outline Generator
Turn a life story, timeline highlights, and central message into a memoir structure you can actually build from.
Help me structure this memoir.
- Open toolAI-guidednonfiction book outline generator
Nonfiction Outline Generator
Generate a nonfiction chapter outline that moves cleanly from problem to solution and stays aligned with your promise.
Help me structure this nonfiction book.
- Open toolAI-guidednext chapter generator
Next Chapter Generator
Stuck on what happens next? Get three concrete directions for your next chapter — built from exactly where your story left off.
Tell me what happens next.
Publishing Math and Metadata
Estimate length, runtime, royalties, and the metadata decisions that shape the finished book.
- Open toolDeterministicbook page count calculator
Book Page Count Calculator
Convert your manuscript word count into a realistic print page total for the trim size you will actually upload — including front matter, back matter, and the blank pages chapter openers quietly consume.
Tell me how many print pages my manuscript becomes at my trim size.
- Open toolDeterministicwords per page calculator
Words Per Page Calculator
Set trim size, font size, line spacing, and margins — and get the words-per-page density those choices produce, before you commit an interior design or a print quote.
Tell me how many words each page will hold at these type settings.
- Open toolDeterministichow much does it cost to self publish a book
Self-Publishing Cost Calculator
Add up the real up-front cost of producing a book — developmental edit, line edit, proofread, cover, formatting, and ISBN — and see every line item that can be paid in money or in your own time.
Tell me what I will spend to get my manuscript ready to launch.
- Open toolDeterministichow much does it cost to print a book
Book Printing Cost Calculator
Turn page count, ink type, trim size, and paper into the per-copy print-on-demand charge, the resulting spine width, and the minimum list price floor your printing cost imposes.
Tell me what each printed copy of my book costs to manufacture.
- Open toolAI-guidedreader magnet title generator
Reader Magnet Title Generator
Get three titles for the free story you give away to grow your list — a promise title that names the complete experience, a genre-signal title that reads fast to a cold stranger, and a series-hook title that opens the door to the books behind it.
Help me title the free story I give away to earn a stranger's email address.
- Open toolAI-guidedbook dedication generator
Book Dedication Generator
Get three dedications for your book — a formal recognition, a warm personal line, and a plain understated one. Each is built from the specific reason this person earned a permanent place on your first page, with the restraint a public act of recognition demands.
Help me write the one line on my first page that names the person this book is for.
- Open toolAI-guidedbeta reader questions generator
Beta Reader Questions Generator
Get a beta-reader questionnaire built from questions that surface located reactions — specific, answerable, actionable, and never leading — so the feedback you get back is something you can actually revise from.
Give me beta-reader questions that return feedback I can revise from.
- Open toolAI-guidedbook review request email generator
Book Review Request Email Generator
Get three complete review-request emails built on brevity, specificity, and a graceful out — emails that earn a stranger’s unpaid hours by proving you actually read them, not by asking nicely.
Write a review request that earns a stranger’s unpaid hours.
- Open toolDeterministicreading time calculator
Reading Time Calculator
Turn a word count or a page count into the thing that actually matters — how many hours of a reader's life your book is asking for.
Tell me how long this book takes to read.
- Open toolDeterministicwords to pages calculator
Words to Pages Calculator
Convert a word count into a page count for any format — standard manuscript, trade paperback, mass market, or large print — and see all of them side by side.
Tell me how many pages my word count becomes.
- Open toolAI-guidedAmazon KDP keyword generator
Amazon KDP Keyword Generator
Generate keyword phrase directions that sound like reader intent instead of vague publishing jargon.
Help me find smarter keyword phrases.
- Open toolDeterministicKDP royalty calculator
KDP Royalty Calculator
Estimate paperback or eBook royalty per sale, cost assumptions, and simple revenue scenarios using transparent formulas.
Help me estimate KDP royalties.
- Open toolDeterministicaudiobook runtime calculator
Audiobook Runtime Calculator
Estimate audiobook runtime from your word count, compare narration paces, and see how long the finished listening experience may be.
Help me estimate audiobook runtime.
KDP & AI publishing guides
Interactive guides for Amazon's AI publishing rules.
Free, no-signup tools that resolve the trickiest parts of publishing AI-supported books on KDP — from disclosure form text, to rejection appeals, to cover-policy compliance per AI tool.
- Open generator
Tool
KDP AI Disclosure Generator
Answer four questions, get the exact form text Amazon wants. Works for text, images, and translation.
- Open decoder
Tool
KDP AI Rejection Decoder
Paste your rejection email. Get a categorized appeal draft and a checklist of what to fix before resubmitting.
- Open guide
Guide
AI Cover Policy 2026
Per-tool license check for Midjourney, Firefly, DALL·E, Stable Diffusion, and more — what's safe to ship on KDP.
- Open guide
Guide
KDP 3-Book Daily Limit
Decision tree for the new Amazon publishing cap with a tailored launch plan based on your release goals.
- Open hub
Hub
Amazon KDP AI Publishing Guide (2026)
Ten-item interactive pre-launch checklist plus a six-module reference set — the full playbook for shipping AI-supported books on Amazon in 2026.
Background reading: Amazon KDP AI Disclosure: Generated vs Assisted →
Find the narrow tool, then move into the real book.
BookWriter starts free with title generation, cover generation, outline creation, and your first polished chapter before paid continuation.