Built for Book-Length Manuscripts

An AI Proofreader That Reads Your Whole Book, Not One Paragraph

Most proofreaders judge a sentence on its own. AIWriteBook reads your manuscript chapter by chapter — so it catches the dropped subplot, the character whose eye color changed in chapter nine, and the tense that slips in act two, not just a stray comma.

No credit card. Import your draft and run your first chapter free.

Part of the AI Writing Assistant guide

Why Generic Proofreaders Fall Apart on a Book

A grammar checker built for emails and essays is the wrong tool for an 80,000-word manuscript. Here is where they break.

They Forget the Last Chapter

A paragraph-level checker has no memory of chapter three when it reads chapter twelve. It will never notice that your protagonist's sister was named Clara at the start and Claire by the end. Continuity errors are the ones reviewers punish hardest, and they are exactly the ones single-paragraph tools cannot see.

They Flag Voice as Error

Fiction breaks rules on purpose — fragments for tension, dialect in dialogue, a deliberately run-on sentence. Generic proofreaders bury you in false positives, 'correcting' the prose that makes your book yours until you stop trusting the suggestions entirely.

They Stop at the Comma

Spotting a typo is the easy 10 percent. They cannot tell you a chapter sags in the middle, that two scenes repeat the same beat, or that a nonfiction section contradicts a claim you made forty pages earlier. Real book editing is about the whole, not the line.

Copy-Paste Kills the Flow

Pasting chapters one at a time into a separate browser tab, then copying the fixes back, is its own special kind of tedium — and it is where formatting and edits get lost. Proofreading should live where you write, not in a second window.

How Proofreading Works Inside AIWriteBook

Three steps, all in one editor — your draft never leaves the workspace where you write and publish.

Step 01

Import Your Manuscript

Drop in your existing draft as .docx, .pdf, .epub, .txt, or .md and AIWriteBook splits it into editable chapters. Already writing here? Skip this step — your chapters are ready to review. There is no word cap to paste around and nothing to chunk by hand.

Step 02

Ask the AI Editor What to Fix

Open any chapter and use the AI Editor sidebar. Type what you want — 'fix grammar and spelling', 'tighten the prose', 'keep past tense throughout', 'flag anything that contradicts the outline'. Suggested edits appear highlighted right in the text for 5 credits a pass, so you see every change in context before it lands.

Step 03

Review, Accept, and Keep Going

You stay in control of every word. Accept the edits you like in the rich-text editor, rewrite the ones you don't, and move to the next chapter. When the book is clean, export a KDP-ready EPUB, PDF, or DOCX without ever switching tools.

What Makes It Book-Aware

These are the things a paragraph-level checker structurally cannot do, and they are built into the editor you already write in.

In-Context AI Editor

A freeform prompt box beside your chapter. Ask for a grammar sweep, a consistency check, or a tone pass — suggested edits highlight inline so nothing changes silently. Pick Gemini, Grok, or Claude per pass depending on whether you want speed, range, or the cleanest prose.

Story Bible Consistency

Your locked-in characters, settings, and outline travel with you into every chapter. The AI references them while it edits, so names, traits, and established facts stay straight from page one to the last line.

Persistent Style Instructions

Set rules once — 'never use em dashes', 'British spelling', 'short sentences in action scenes' — and they apply to every edit and regeneration across the book. Your style guide stops being a sticky note and becomes something the AI actually enforces.

Series-Wide Continuity

Writing book four of a series? Upload up to five earlier books and AIWriteBook extracts the characters, world, and plot so your proofreading pass catches contradictions across the whole series, not just the current volume.

Full Manual Control

Everything happens in a real rich-text editor with headings, lists, tables, highlights, and inline images. The AI proposes; you decide. No black box, no irreversible auto-fixes — just a clean draft you signed off on.

Proofread and Publish in One Place

Because the proofreader lives inside the same tool that writes covers, descriptions, and KDP-ready files, a finished proofreading pass flows straight into publishing. No re-importing a 'final' file that loses its formatting.

Multi-Chapter Consistency Is the Whole Point

Readers forgive a typo. They do not forgive a character who is allergic to cats in chapter two and owns three by chapter ten. These cross-chapter slips are invisible to any tool that only sees the paragraph in front of it — and they are the single most common reason a beta reader writes 'this pulled me out of the story'. AIWriteBook proofreads against your Story Bible, so the check that matters most is the one it does best.

Names and traits

Catches a spelling that drifts, a job that changes, an eye color that mutates between scenes.

Timeline and facts

Flags a Tuesday that became a Thursday or a claim that contradicts something stated earlier.

Tense and POV

Holds your chosen tense and point of view steady when a long draft starts to wobble.

Who Proofreads Whole Books This Way

Different writers, the same problem: the manuscript is too long for a line-by-line tool to actually understand.

KDP Publishers

Shipping titles on a schedule means proofreading can't take a week per book. Import, sweep each chapter, export a clean KDP file — and keep your release cadence without paying a freelance editor on every launch.

Finishing an Old Draft

You have a manuscript that's been in a drawer (or a Google Doc) for two years. Bring it in, let the AI flag the consistency and grammar issues you stopped being able to see, and finally get it reader-ready.

Genre Fiction Writers

Romance, fantasy, thriller — each genre has conventions and a voice. Persistent style instructions keep dialect, register, and pacing intact instead of getting 'corrected' into flat prose.

Nonfiction and Self-Help Authors

Your credibility lives in the details. Catch the statistic you cited two ways, the term you defined differently in two chapters, and the heading style that drifts halfway through the book.

AIWriteBook vs. Grammarly vs. ProWritingAid

Dedicated grammar checkers are genuinely good at what they do. The difference is scope — they read text, AIWriteBook reads your book. Here is an honest breakdown.

What you needAIWriteBookGrammarlyProWritingAid
Reviews in book contextWhole book, chapter by chapterSentence and document levelDocument and manuscript level
Knows your characters and worldYes — Story Bible and series modeNoNo — style and structure focus
Grammar and spellingYes, via Gemini, Grok, or ClaudeYes — its core strengthYes — its core strength
Rewrites and regenerates passagesYes — inline edits and full regenerationSuggestions and limited rephraseSuggestions and rephrase
Enforces a persistent style guideYes — instructions applied to every passStyle presetsDetailed style reports
Covers, export, and publishingYes — KDP-ready files, covers, author pageNoNo
Best forEditing a book you're writing or finishingA fast grammar pass on any textDeep self-edit style analysis

Paid plans

Most popular
Credits

Unlock AI editing across every chapter at 5 credits a pass, plus regeneration, covers, and one-click KDP export. No per-book fees.

  • AI Editor on every chapter
  • Story Bible and series consistency
  • Export to KDP-ready EPUB, PDF, DOCX

Proofread Your First Chapter Free

See full pricing

Free

$0

Import your manuscript, organize it into chapters, and proofread your first chapter with the AI Editor. The honest way to see if it fits your book.

  • Import .docx, .pdf, .epub, .txt, .md
  • First chapter AI editing included
  • Full rich-text editor

Plan the whole book, import your draft, and run your first chapter at no cost. Paid plans add credits for AI editing, generation, covers, and export.

Writers Who Stopped Copy-Pasting Into a Grammar Tool

My beta readers kept catching little continuity slips I was blind to. Running each chapter through the AI Editor with my story bible loaded caught a timeline error I'd missed across three drafts. That alone was worth it.

Daniel K.
Self-published thriller author

I'd imported a 60,000-word draft I wrote over a year. Having the proofreading happen in the same place I'd export from meant I never lost formatting. I went from messy manuscript to a KDP file in a weekend.

Priya S.
Nonfiction and course creator

Uploading my first three books so the editor knew the world was the feature I didn't know I needed. It flagged a place name I'd been spelling two ways since book one.

Marcus L.
Fantasy series writer

AI Proofreader Questions, Answered

Everything writers ask before running a full manuscript through it.

Stop Proofreading One Paragraph at a Time

Bring your manuscript into a proofreader that actually reads your book. Import your draft and clean up your first chapter free — no credit card, no commitment.

No credit card required
First chapter free
Keep full control of every edit