Bookshift

Perfect Your Prose with the BookShift Proofreader.

Meet the world's first proofreader that writes with you, not against you. The BookShift Proofreader applies MS Word tracked changes and clear, friendly comments — catching real mistakes while respecting your voice and style.
Built for original-language manuscripts before publishing and equally ready for translated manuscripts. Punctuation and formatting may vary slightly across languages, but the workflow stays consistent.

AI proofreading for manuscript files authors can review

Bookshift checks spelling, grammar, clarity, continuity, and style issues in long-form manuscripts. Use it after translation, before formatting, or before sending a DOCX manuscript to a human editor.

Read the proofreading workflow guide

Start Your Proofreading

Upload your manuscript and review the proofreading options.

Login to use credits

Drag & drop your manuscript here Tap to select manuscript (DOCX, TXT, EPUB, MD)

or

Bookshift explanations and comments will be written in this language.
Editorial options
Proofreading costs 0.2 credits per word. Regional English and Humanizer are included at no extra cost.
Keeps every selected tracked change but aims to explain only roughly 5% or fewer of genuinely non-obvious choices.
A dedicated narration pass for vocabulary, spelling, slang, phrases, and grammatical structure. It does not replace dialogue quotation punctuation or convert quote styles.
Helps identify and improve words, phrases, patterns, and idioms that readers may associate with AI-generated writing—even when the prose was written by a person.
Track Changes reviewer labels
Group revisions by edit type so you can filter different kinds of corrections in Word. You can customize every reviewer label.
Bookshift Proofreader (click to customize)

How the Bookshift Proofreader Works

Upload

Submit your manuscript (.docx, .txt, .epub, or .md).

Analyze

The Bookshift Proofreader reads and understands your entire work and YOUR unique voice and style.

Proofread

Multiple proofing passes catch errors and non-deliberate repetition.

Deliver

Get your proofread, changes tracked, polished manuscript in your inbox in minutes.

What You'll Receive

Our Bookshift Proofreader delivers a comprehensive package of professionally formatted documents to help perfect your manuscript.

  • Track Changes Document: Your manuscript with substantial wording edits marked as MS Word Track Changes, plus helpful comments. Minor formatting and punctuation fixes may be applied directly to keep the document clear and uncluttered.
  • Analysis Report: Comprehensive breakdown of all suggestions organized by chapter with rationale.
  • Writing Critique: Professional analysis of your writing style with actionable insights and improvement recommendations.
  • Unmatched Comments Report: Optional report of suggestions that couldn't be directly applied, for manual review (when applicable).
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