Professional proofreading and copyediting for Google Docs™. A writing assistant that explains every suggestion. Not just a grammar checker. Your personal writing mentor.
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リスト更新日:2026年2月10日
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概要
Your writing deserves more than red squiggles. Proofreader 2 goes beyond spell check to make your writing stronger and clearer, while keeping your voice intact. Thoughtful, substantive feedback directly in Google Docs™, the kind you'd expect from an editorial team that has read your work from start to finish.

✔ Learn the why, not just the what

    Most tools tell you what to fix. Proofreader 2 tells you why. Every suggestion includes the thinking behind 
    it, so you walk away a better writer, not just with a better draft. The best editors make writers better, 
    not dependent. That's editing done right.

✔ Your pace, your process

    Good editors know timing matters. Proofreader 2 respects your flow and lets you write undisturbed. 
    No interruptions, no mid-sentence nudges while you're writing. When you're ready for feedback, your 
    editorial team is ready.

✔ Polish structure, tone, and clarity

    Proofreader 2 analyzes your text and highlights where your writing could be stronger. 
    It suggests concise, natural rewrites that sharpen your message while keeping your voice intact. 
    The goal isn't to smooth you into something generic. It's to help you say what you mean, more precisely.

✔ Made for Google Docs™

    Proofreader 2 isn't a browser extension moonlighting across the internet. It's built specifically for 
    writers who live in Google Docs™. One home, done well.

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Last thing: permissions. Proofreader 2 needs a set of permissions in order to work. Here's what it needs and why — each permission serves a specific purpose.

➤ "See, edit, create, and delete only the specific Google Drive files you use with this app"
➤ "View and manage documents that this application has been installed in"

    No human can access the documents you use with Proofreader 2. They are processed programmatically 
    and nothing gets stored.

    Here’s what we actually do with these permissions:
    
    - Process the content of your document in order to analyze it
    - Make edits (that you pre-approve) directly to your document
    - Revert changes if you don't like an edit
    - Understand if the document has changed since we last saw it
    
    Without this, we'd be a proofreader that can't read or edit documents - not very useful!

➤ "Connect to an external service"

    Proofreader 2 uses a few different services, most importantly an AI system that provides feedback. 
    Without this, it simply wouldn’t work. More specifically, here are the external services we connect to:
    
    Gemini - Does the proofreading
    Firestore - Stores usage quota and subscription status
    Stripe - Handles payments if you upgrade to a paid plan

➤ "View your country, language, and timezone"

    We detect your timezone so the daily messaging limit resets at midnight your time, not midnight in some 
    random timezone. Much fairer this way.

➤ "Display and run third-party web content in prompts and sidebars inside Google applications"

    This lets us show you things inside Google Docs™:

    - The sidebar panel where you discuss the document, get feedback and act on suggested edits
    - Any dialogs we might show

    Without this, we'd have no way to show you the user interface.
詳細情報
料金無料(有料機能あり)
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Proofreader 2 は以下の権限をリクエストします。詳細
Proofreader 2 は、ご使用の Google アカウントにアクセスする必要があります
この操作を行うと、Proofreader 2 に次の権限が付与されます。
このアプリケーションがインストールされているドキュメントの表示と管理
このアプリで使用する Google ドライブ上の特定のファイルのみの参照、編集、作成、削除
外部サービスへの接続
Google アプリケーション内のプロンプトとサイドバーで、サードパーティのウェブコンテンツを表示、実行します
国、言語、タイムゾーンの表示
Google アカウントのメインのメールアドレスの参照
ユーザーの個人情報の表示(ユーザーが一般公開しているすべての個人情報を含む)
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