2026年にCoWriterを使ってライティングスキルを向上させる方法

クイックスタート

このガイドでは、CoWriterのすべての機能について説明します。

• はじめる — Create your account and set up in minutes
• AI研究論文生成ツールの使い方 — Draft a full research paper with a working structure
• IEEE引用生成ツールの使い方 — Build IEEE references and manage your bibliography
• 検出されないエッセイライターの使い方 — Write essays that read like your own voice
• AIスクリプトジェネレーターの使い方 — Turn a rough idea into a timed video script
• AI検出証明の使い方 — Check a draft before you submit or publish
• アウトラインビルダーの使い方 — Structure essays with intro, body, and conclusion
• カスタムライティングスタイルとトーンの使い方 — Match tone for school, work, or a blog audience
• アイデア創出の活用方法 — Unstick ideas when the page stays blank

所要時間： 各作品につき5分

このガイドには以下の内容も含まれています。 プロのヒント | よくある間違い | トラブルシューティング | 価格 | 代替案

このガイドを信頼する理由

I have used CoWriter since December and tested every feature covered here.

I ran it in Chrome on a laptop and on iOS, across essays, blog posts, and academic papers.

このチュートリアルは、マーケティング用の誇張表現やベンダーのスクリーンショットではなく、実際の現場経験に基づいています。

CoWriter is one of the most capable AI writing tools available today.

But most students and writers only scratch the surface of the product.

このガイドでは、主要な機能の使い方をすべて説明します。

スクリーンショットとプロのアドバイスを交えながら、手順を一つずつ解説します。

Work through it in order the first time, then treat it as a reference.

CoWriterチュートリアル

This complete How to Use CoWriter tutorial shows how to use CoWriter step by step, from the first sign up to the tricks that make you a power user.

共著者

Draft research papers, essays, and scripts without staring at a blank page. CoWriter builds the outline, writes in your 声, and handles citations for you. Explore the editor free and see the flow before you pay.

今すぐCOWRITEをお試しください →

レビュー全文を読む →

共著者候補 →

CoWriterを始めよう

いずれかの機能を使用する前に、この初回設定を完了してください。

約3分かかります。

Here is what my own first session looked like:

それでは、各ステップを順を追って見ていきましょう。

ステップ1：アカウントを作成する

Go to the CoWriter website.

Click “Sign up” or “Start free.”

メールアドレスを入力し、パスワードを選択してください。

✓ チェックポイント: チェックしてください 受信トレイ 確認メールをお送りします。

Step 2: Open the Editor in Your Browser

CoWriter runs in any modern browser, so there is no download to install.

Chrome works best, and the same account opens on iOS.

Here is what the editor looks like:

✓ チェックポイント: You should see the editor with your document list on the left.

Step 3: Set Up Your Workspace

Pick your default writing style and citation format.

Create a project folder so you can share drafts with classmates or colleagues later.

Shared cloud storage keeps all the information for one paper — sources, outline, and drafts — on a single page.

Skip this and you will spend your first week hunting for files instead of writing.

CoWriter AIリサーチペーパージェネレーターの使い方

AI研究論文 ジェネレータ lets you turn a topic into a full research paper draft with a working structure.

以下に、その使用方法をステップごとに説明します。

ステップ1：トピックを入力してください

Open a new document and type your research question.

Specific instructions beat vague prompts every time.

Name the file after the assignment so you can find it later.

Step 2: Set Depth and Length

Choose section count, target length, and academic level.

これは以下のようなものです。

✓ チェックポイント: You should see a section-by-section preview before generation starts.

ステップ3：生成とレビュー

Generate the draft, then read each section and fix anything thin.

Thin sections almost always mean a thin prompt, so add detail and regenerate that section only.

CoWriter IEEE引用文献生成ツールの使い方

IEEE引用生成ツール lets you build IEEE references without hand-formatting a single bracket.

以下に、その使用方法をステップごとに説明します。

Step 1: Add Your Sources

Paste a DOI, URL, or full reference into the citation panel.

Batch-paste ten sources at once instead of adding them one at a time.

Step 2: Pick Your Style

Choose IEEE, or switch to APA, MLA, or Chicago.

これは以下のようなものです。

✓ チェックポイント: Each entry should appear numbered and correctly ordered.

Step 3: Insert Into Your Draft

Click a source to drop the in-text marker at your cursor.

The reference list renumbers itself whenever you move a citation.

CoWriter（検出不可能なエッセイライター）の使い方

検出不能 エッセイライター lets you produce essays that read like your own writing, not template output.

以下に、その使用方法をステップごとに説明します。

Step 1: Upload a Writing Sample

Paste 300 words you wrote yourself.

CoWriter learns your rhythm and sentence length from it.

Pick a sample from the same subject, not a text message thread.

Step 2: Set the Assignment Brief

Add the prompt, the word count, and any rubric notes.

これは以下のようなものです。

✓ チェックポイント: The brief panel should show your sample marked as the active voice profile.

ステップ3：生成と編集

Generate, then rewrite any sentence that does not sound like you.

Two or three edits per paragraph is normal, and it is enough.

CoWriter AIスクリプトジェネレーターの使い方

AIスクリプトジェネレーター lets you turn a rough idea into a video script with hooks, beats, and a close.

以下に、その使用方法をステップごとに説明します。

Step 1: Pick Your Format

Choose YouTube, podcast, or short-form video.

Set the runtime in minutes.

A five minute runtime is roughly 750 spoken words.

Step 2: Describe the Angle

Explain who will watch and what they should learn.

これは以下のようなものです。

✓ チェックポイント: You should see a beat sheet before the full script is written.

Step 3: Generate and Time It

Read it out loud and cut anything that drags.

Mark the beats where you plan to show something on screen.

How to Use CoWriter AI Detector

AI検出証明 lets you check a draft against detectors before you submit or publish it.

以下に、その使用方法をステップごとに説明します。

ステップ1：下書きを貼り付ける

Drop the finished text into the detection panel.

Scan the whole draft, not one paragraph, or the score means very little.

ステップ2：スキャンを実行する

Start the scan and wait a few seconds.

これは以下のようなものです。

✓ チェックポイント: Flagged passages should appear highlighted with a confidence score.

Step 3: Rewrite the Flags

Rework the highlighted lines in your own words.

Rescan after editing to confirm the flags actually cleared.

CoWriterアウトラインビルダーの使い方

アウトラインビルダー lets you build a structured outline before you write a single paragraph.

以下に、その使用方法をステップごとに説明します。

Step 1: Enter Your Thesis

Type your main argument in one sentence.

A weak thesis produces a weak outline every single time.

Step 2: Generate the Structure

CoWriter returns an introduction, body paragraphs, and a conclusion.

これは以下のようなものです。

✓ チェックポイント: Each body section should carry its own supporting point.

Step 3: Reorder and Expand

Drag sections until the argument flows the way you want.

Delete any section you cannot back with a real source.

CoWriterのカスタムライティングスタイルとトーンの使い方

カスタムの書き方とトーン lets you match tone to the audience — a professor, a client, or a blog reader.

以下に、その使用方法をステップごとに説明します。

Step 1: Open Style Preferences

Find the style panel in the right sidebar.

You can also set how many suggestions appear and how the editor looks.

Preferences are tied to your account, so they follow you across devices.

ステップ2：トーンを選ぶ

Choose academic, conversational, persuasive, or technical.

これは以下のようなものです。

✓ チェックポイント: The preview pane should update in the tone you picked.

Step 3: Save It as a Preset

Name the preset and reuse it on your next document.

Presets apply to new drafts, not to text you already generated.

How to Use CoWriter Idea Generator

アイデアの創出 lets you unstick ideas when the page stays blank and nothing comes.

以下に、その使用方法をステップごとに説明します。

Step 1: Describe the Assignment

Type the subject and how far you have already got.

Say what you have already ruled out, and repeat suggestions stop appearing.

Step 2: Generate Angles

Ask for ten topic ideas or outline structures.

これは以下のようなものです。

✓ チェックポイント: You should see a numbered list of angles with one-line summaries.

Step 3: Expand the Best One

Send your pick straight to the Outline Builder.

Keep the runners-up too. They often make good body sections later.

CoWriterのプロ向けヒントとショートカット

After testing CoWriter since December, here are the tips I actually still use.

キーボードショートカット

ほとんどの人が見逃す隠れた機能

• Sentence-level rewrite: highlight one line and regenerate only that line, instead of the whole page.
• Team drafts: up to five users can work in the same document at once, so colleagues see edits live.
• バージョン履歴: every save is kept, so you can find an earlier draft and restore it in seconds.
• プロンプトライブラリ: save a prompt you keep retyping, then reuse it from the sidebar on any document.

共同執筆者が陥りがちなよくある間違い

間違いその1：曖昧な指示文を書く

Mistake #2: Skipping the outline

Mistake #3: Submitting without reading it yourself

CoWriterのトラブルシューティング

Problem: Generation stops halfway

原因： Long documents time out when the browser tab loses focus.

修理： Keep the tab active, or generate section by section from your outline.

Shorter requests finish far more reliably than one 3,000-word request.

Problem: Citations import with missing fields

原因： Some publisher pages do not expose full metadata.

修理： Paste the DOI instead of the URL, then add page numbers by hand.

Fix it at import time, because a broken reference is much harder to spot at the end.

Problem: The editor will not load

原因： A stale session or a blocking extension in Chrome.

修理： Sign out, clear the site data, and sign back in. If you still cannot navigate to your documents, disable ad blockers on the page.

📌 注記： これらの方法で問題が解決しない場合は、CoWriterのサポートにお問い合わせください。

CoWriter とは何ですか?

共著者 is an AI writing tool that helps students, 教師, and professional writers draft research papers, essays, and video scripts.

Think of it as a writing partner that never runs out of ideas.

こちらの簡単な概要をご覧ください。

主な機能は以下のとおりです。

• AI研究論文生成ツール： Turns a research question into sectioned academic writing
• IEEE引用生成ツール： Automates citations in IEEE, APA, MLA, and Chicago
• 検出不可能なエッセイライター： Adapts to your writing style instead of a generic voice
• AIスクリプトジェネレーター： Builds video and podcast scripts from a one-line angle
• AI検出証明: Scans finished text and flags passages that read as generated
• アウトラインビルダー: Generates essay structures with introduction, body, and conclusion
• カスタムライティングスタイルとトーン: Saves reusable tone presets for different audiences
• アイデアの創出: Generates topic ideas and outline structures for ブレインストーミング

CoWriter or Co:Writer?

People searching for how to use CoWriter land on two different products, so it is worth clearing up.

This guide covers CoWriter, the AI writing tool.

The other is Co:Writer Universal from Texthelp, an 補助的な product for students with dyslexia and other language-based learning disabilities.

That one uses grammar smart and vocabulary smart word prediction, plus speech recognition, so a student can use their voice instead of typing.

Its word prediction accepts phonetic spelling, reads text back sentence by sentence, and pulls vocabulary from whatever the student is reading.

It installs as a Chrome extension in the browser, and Texthelp’s toolbar also carries the Read&Write icon, Snap&Read icon, uPAR icon, OrbitNote icon, EquatIO icon, ClaroRead icon, DSA icon, ReachDeck icon, and the Co:Writer icon.

Co:Writer Universal costs $4.99 per month after the trial, with district pricing for a school, and Texthelp publishes training resources for teachers, parents, and colleagues who support those learners.

If that is what you need, this is the wrong guide — everything here is about CoWriter.

詳細なレビューについては、こちらをご覧ください。 CoWriterのレビュー.

共同執筆者の料金

Here is what CoWriter costs in 2026:

無料トライアル: Yes — you can explore the editor before you pay.

返金保証: Not advertised. Check current terms before you sign up.

Premium is worth it only if you write constantly across a full degree or a publishing schedule.

💰 最もお得な価格: Pro — $11.99/month covers everything most students and bloggers need.

共同執筆者 vs 代替案

How does CoWriter compare? Here is the competitive landscape:

Most rivals do one job well. CoWriter covers more ground, and that is the trade-off.

おすすめ商品：

• 総合ベスト： CoWriter — papers, citations, scripts, and detection checks in one place.
• ベスト予算： QuillBot — cheap, and enough if you only need editing.
• 初心者におすすめ： Grammarly — nothing to learn, works in any browser.
• Best for evidence-led research: 引き出す — starts from real papers, not a prompt.

🎯 共同執筆者の代替案

Looking for CoWriter alternatives? Here are the options worth a look:

• 🚀 ジェニー： Fast academic drafting with inline citation autocomplete and a strong free tier.
• 🎓 ペーパーパル: Built for researchers, with language checks tuned to journal submission standards.
• 📚 読夢： Reads your source PDFs and writes with them, not just about them.
• 💼 ライトソニック: Marketing-first writer for blog posts and ads rather than academic papers.
• 📊 フレーズ: Research and brief building for SEO writers who publish on a schedule.
• 🔧 ペーパーガイド: Reference manager and writer in one, handy for long literature reviews.
• 🧠 引き出す: Finds and summarises real papers, so your argument starts from evidence.
• 🔬 サイスペース: Explains dense papers line by line before you cite them.
• ⭐ 引用元: Shows whether later papers support or dispute a claim you plan to use.
• 💰 クイルボット: Cheap paraphrasing and grammar help when you only need editing.
• ✍️ 文法: The safest everyday editor, strong on tone and clarity across any browser.

全リストについては、こちらをご覧ください。 CoWriterの代替品 ガイド。

⚔️ 共同執筆者の比較

Here is how CoWriter stacks up against each competitor:

• 共同執筆者 vs ジェニー: Jenni is smoother for citation-as-you-type. CoWriter wins on scripts, tone presets, and detection checking in one place.
• CoWriter vs Paperpal: Paperpal edits academic English better. CoWriter generates more of the draft for you from a bare topic.
• 共同執筆者 vs ヨム: Yomu is stronger when you already have PDFs. CoWriter is stronger when you start from nothing.
• CoWriter と Writesonic: Writesonic owns marketing copy. CoWriter is the better pick for essays, papers, and IEEE references.
• CoWriter vs Frase: Frase is built for SEO briefs. CoWriter is built for academic writing and video scripts.
• CoWriter と PaperGuide の比較: PaperGuide manages references more deeply. CoWriter drafts faster and covers more content types.
• CoWriter と Elicit: Elicit finds the evidence. CoWriter turns evidence into finished prose — many people run both.
• CoWriter 対 SciSpace: SciSpace explains papers you are reading. CoWriter writes the paper you have to hand in.
• CoWriter vs Scite: Scite verifies claims. CoWriter has no citation-context database, so pair them for serious research.
• 共同執筆者 vs クイルボット: QuillBot is cheaper and edits well. CoWriter generates whole drafts, which QuillBot will not do.
• CoWriter vs Grammarly: Grammarly polishes what you wrote. CoWriter writes the first version, then you polish it.

今すぐCoWriterを使い始めましょう

あなたはCoWriterの主要な機能をすべて使いこなせるようになりました。

• ✅ AI研究論文生成ツール
• ✅ IEEE引用文献生成ツール
• ✅ 検出不可能なエッセイライター
• ✅ AIスクリプトジェネレーター
• ✅ AI検出証明
• ✅ アウトラインビルダー
• ✅ カスタムの筆記スタイルとトーン
• ✅ アイデア創出

次のステップ： どれか一つの機能を選んで、今すぐ試してみてください。

Most people start with the Outline Builder.

5分もかかりません。

よくある質問

Is it CoWriter or Co:Writer?

Both exist. CoWriter is the AI writing tool covered here. Co:Writer Universal from Texthelp is an assistive word prediction product for students with learning disabilities.

CoWriterは何をするものですか？

It drafts research papers, essays, scripts, and outlines. It also handles citations in IEEE, APA, MLA, and Chicago, then checks your draft against AI検出器 before you submit.

Is CoWriter free?

No. Pro costs $11.99 per month and Premium costs $23.99. You can explore the editor first, so test the flow and features before you pick a plan.

Does CoWriter work in Chrome?

Yes. It runs in any modern browser with no download required, and the same account opens on iOS, so you can share drafts across devices.

How do I get started with CoWriter?

Sign up, confirm your email, and set your default citation style. Then open the Outline Builder and type a topic. Most first drafts take under ten minutes.