Most AI writing apps help you draft. BookFactory measures what makes books sell, decodes the ones you love, writes a full coherent manuscript on autopilot, then strips the AI tells β and hands it all to you, IP-safe and yours.
Drop in a manuscript, get a 0β100 score across 12 craft levers β page-turn, transmission, reach β plus the single highest-leverage fix.
One scan, nine reports: synopsis, conflict, character arcs, world-building, contradictions, timeline, foreshadowing, plot threads, genre fit β and prioritized fixes.
Flags real continuity breaks with severity and chapter numbers β the eye color that changed, the character who died then phoned.
Your target reader moves through the book chapter by chapter: where theyβd swoon, drag, get confused, or put it down.
Adverb density, filter words, clichΓ©s, repeated phrases, said-bookisms, readability, sentence rhythm β across the whole book, instantly.
Type any book or movie and get an editable swimlane: characters, beats, hooks, cliffhangers, key items, intensity curve.
Drop a .docx / .epub / .txt or paste β BookFactory reverse-engineers your real chapters into an editable blueprint.
Give a genre and a premise; get a complete original, breakout-shaped blueprint to build on.
One click invents an original, friction-bearing cast member that fits your story and stands apart from the rest.
Persist your magic system, factions, map and timeline β then start a sequel that carries the cast, voice and unresolved threads forward.
Rapid idea cards β thumbs-up to keep, thumbs-down to teach it your taste. Keepers drop straight into your blueprint.
Writes every chapter with rolling-memory continuity, develops each into full scene, then humanizes it β and finishes even if you close the tab.
Generate any chapter from its blueprint in your chosen length, POV, tense and voice β flowing seamlessly from the chapter before.
Expand a beat into a full scene β or add a flashback, a B-plot, a bridge, or a guided scene you describe in a sentence.
Every chapter feeds a running synopsis, canon and open-thread ledger, so the book stays consistent end to end.
Multi-pass rewrites break the robotic rhythm, kill the tell-tale phrases, add specificity β then score how human it reads.
Tighten, escalate tension, add sensory detail, cut adverbs, show-donβt-tell, deepen inner conflict, rephrase dialogue β per chapter or whole book.
Find characters who sound alike, give each a distinct voice, and rewrite their lines in-voice across every chapter.
Stuck on a word? Get a dozen sharper, context-fitting alternatives in a click.
A senior-editor-style developmental letter plus per-chapter strengths and concrete fixes.
Every rewrite snapshots; diff versions side by side, branch alternate takes, and a 5-step global undo across the whole app.
Load the books you love β see your Taste Fingerprint, the shared structure behind them, and splice their craft into an original of your own.
Pull reusable craft techniques out of any book (IP-safe) into a toolbox you can drop onto your own timeline.
Ownable titles, logline, back-cover blurb, comps and tagline β generated from your story, editable.
Render your finished book into 30+ languages while keeping the voice and literary quality.
Download a KDP-ready manuscript as .docx, .epub, .md or .txt β title page, contents, chapter breaks and all.
We extract only abstract craft structure, never copyrighted prose. Your words and your story are entirely your own.