Top 10 Best AI Book Editing Software of 2026

ProWritingAI d is a comprehensive AI-powered writing assistant designed specifically for authors and editors, offering in-depth analysis of grammar, style, readability, and structure tailored to book-length manuscripts. It provides over 25 specialized reports on elements like pacing, dialogue, clichés, overused words, and sensory immersion, helping writers refine their novels or non-fiction works. With AI tools for rephrasing, summarizing, and generating ideas, it acts as a virtual editor, integrating seamlessly with tools like Scrivener, Google Docs, and Microsoft Word.

Grammarly is an AI-powered writing assistant that excels in grammar checking, style improvements, clarity suggestions, and tone adjustments, making it a versatile tool for editing book manuscripts. It integrates seamlessly across web browsers, desktop apps, Microsoft Word, Google Docs, and mobile devices, providing real-time feedback as you write or revise. While not exclusively designed for books, its AI features like sentence rewrites and plagiarism detection help polish long-form content effectively.

AutoCrit is an AI-driven editing tool tailored for fiction writers, analyzing manuscripts against data from top-selling novels in 27+ genres. It delivers detailed reports on pacing, dialogue, word choice, adverbs, clichés, and narrative structure to help refine prose. The platform emphasizes self-editing with visual graphs and targeted recommendations for professional polish.

Sudowrite is an AI-powered writing and editing tool tailored for fiction authors, providing features like text generation, rewriting, brainstorming, and story planning to enhance book manuscripts. It assists with developmental editing by suggesting expansions, refinements, and consistency checks through tools such as Rewrite, Describe, and the Story Bible. While it excels in creative prose improvement, it lacks robust grammar or structural analysis found in traditional editing software.

Jasper.ai is an AI writing assistant that generates and refines text using advanced language models, making it adaptable for book editing tasks like rewriting sentences, improving prose, and brainstorming ideas. It provides templates and commands for content optimization, which can assist authors in polishing drafts. However, it is primarily designed for marketing and short-form content rather than comprehensive long-form book editing.

QuillBot is an AI-powered writing assistant primarily known for its paraphrasing, grammar checking, and text summarization capabilities, making it a versatile tool for editing book drafts. It helps authors rephrase sentences, improve clarity and fluency, detect grammar errors, and generate summaries of chapters or sections. While not specifically designed for book-length projects, it offers quick, accessible editing support for polishing prose and style.

Wordtune is an AI-powered writing assistant designed to enhance prose by offering real-time rewrite suggestions, shortening or expanding text, and adjusting tone for clarity and engagement. It integrates as a browser extension and with tools like Google Docs, making it suitable for iterative editing of book drafts at the sentence level. While effective for stylistic improvements and grammar tweaks, it lacks advanced book-specific features like plot analysis, character consistency checks, or structural outlining.

Rytr is an AI-powered writing assistant that generates and refines text for various purposes, including book outlines, chapters, and descriptions through customizable templates. It supports basic editing functions like paraphrasing, shortening, expanding, and tone adjustment to help polish book drafts. While versatile for quick content creation, it lacks specialized book editing tools such as plot analysis, character development feedback, or structural proofreading.

Writesonic is an AI-powered content creation and editing platform that helps users generate, rewrite, and optimize text, making it applicable for book editing tasks like grammar correction, paraphrasing, and style improvements. It offers tools such as an AI article writer, rewriter, and grammar checker that can process book sections for clarity and engagement. While versatile for short-form content, it supports authors in refining manuscripts through prompt-based editing but lacks deep specialization for full-length books.

Copy.ai is an AI-powered copywriting platform that excels at generating and refining short-form content like marketing copy, emails, and social posts, but can be repurposed for basic book editing tasks such as rewriting paragraphs, expanding ideas, or improving readability. It offers templates and tools for tone adjustment and paraphrasing, allowing authors to polish prose sections efficiently. However, it is not designed for long-form manuscripts, lacking specialized features like structural analysis, character consistency checks, or chapter-level organization.