Core Plan: $19/month (200,000 words of editing per month, limited rewriting ability). Pro Plan: $29/month (300,000 words of editing per month, able to rewrite entire chapters and books). A one-time free word sample is available for new accounts.
Key features
AI humanizer with five writing styles (Standard, Academic, Professional, Casual, Creative)
AI detector with sentence-level analysis and probability scoring
Support for 10 languages including English, Spanish, French, German, Portuguese, Italian, Dutch, Polish, Arabic, and Hindi
Accepts text inputs up to 5,000 words at a time
AI Image Detector for pixel analysis and metadata inspection
Tone Changer for adjusting writing tone without changing content
SEO Rewriter for search-optimized content
Sentence-level literary feedback
Paragraph-level literary feedback
Passage-level literary feedback in context
Chapter-level literary feedback in context
Book-level literary feedback in entire context
One-click text rewriting with AI
Entire chapter rewriting on Pro Plan
Entire book rewriting on Pro Plan
300,000-word context window on Pro Plan
Progressive learning through interactive Q&A
What makes it different
Preserves original meaning while restructuring text to sound natural
Shows sentence-level signals alongside AI probability score rather than single verdict
Free plan available with no credit card required
Results stream back in seconds for fast processing
Text not sold or shared with third parties
Human book editors charge thousands but AI Book Editor starts at $19 per month
Gives almost immediate feedback while human editors take weeks
300,000-word context window three times more than average novel
All output belongs 100% to the user for commercial use
RewriteAI
AI Book Editor