2026年9月時点で、AlphaMoatはAIライティングタグの付いたAIブラウザ拡張機能を992件掲載しています。最もインストールされているのはGrammarly(ユーザー数4000万)です。インストール数で並べ、毎月更新しています。
| # | 拡張機能 | 提供元 | ユーザー数 | 評価 |
|---|---|---|---|---|
| 1 | Grammarly | 4000万 | ★ 4.5 | |
| 2 | QuillBot | 600万 | ★ 4.7 | |
| 3 | Instantly Enhance Your Texts with LanguageTool’s Grammar Checker and Paraphrasing Tool | LanguageTooler | 200万 | ★ 4.7 |
| 4 | AI21 LABS | 100万 | ★ 4.6 | |
| 5 | Improve your English communication with Ginger's all-in-one AI spelling and grammar checker! | gingersoftware | 50万 | ★ 3.8 |
| 6 | Write emails & messages, chat with page, improve writing, translate, and do much more. Powered by the most intelligent AI models | jetwriter | 50万 | ★ 4.6 |
| 7 | Supercharge Your Browser with the AI Sidebar powered by ChatGPT, Claude Sonnet & DeepSeek AI | ChatGPT Buddy | 40万 | ★ 4.6 |
| 8 | Accelerate your writing with AI | compose | 30万 | ★ 4.1 |
| 9 | 1-click to autofill millions of job applications. The best way to manage job hunt and tailor resumes — Trusted by 500K+ job seekers | jobright | 30万 | ★ 4.9 |
| 10 | justdone | 20万 | ★ 3.7 | |
| 11 | ANSWER AI LAB | 10万 | ★ 4.9 | |
| 12 | ddict | 10万 | ★ 4.2 | |
| 13 | AI Copilot can answer screenshot queries and assist with writing, summarizing, translating, and grammar checking. | questionai | 10万 | ★ 4.8 |
| 14 | Run GPT in Google Workspace: use ChatGPT into Google Slides, Docs, Sheets, Drive and Gmail. | gpt | 10万 | ★ 4.9 |
| 15 | getconch | 10万 | ★ 4.7 | |
| 16 | Smart autocomplete for Gmail, Google Docs, ChatGPT, and more. An AI writing assistant that predicts words and sentences. | hyperwriteai | 9万 | ★ 4.3 |
| 17 | Seamless personal AI assistant powered by GPT-5 to help you create, write, summarize, brainstorm, and research on any website. | Initial condition s r o | 8万 | ★ 4.7 |
| 18 | i-shunxi | 7万 | ★ 3.2 | |
| 19 | J2S3 | 7万 | ★ 4.5 | |
| 20 | Improve your writing with the AI-powered online grammar and spelling checker in Spanish and our paraphrasing tool. | correctoai | 7万 | ★ 4.6 |
| 21 | Writer | 7万 | ★ 4.4 | |
| 22 | xiezuocat | 5万 | ★ 4.5 | |
| 23 | Equip your team with AI agents to harness and apply your organization's internal knowledge. | Text Cortex AI | 5万 | ★ 4.9 |
| 24 | SchoolAI | 5万 | ★ 4.2 | |
| 25 | rytr | 4万 | ★ 3.8 | |
| 26 | editgpt | 4万 | ★ 4.0 | |
| 27 | Rewrite and scan your content anywhere you write online. | undetectable | 3万 | ★ 4.7 |
| 28 | Textly | 3万 | ★ 4.5 | |
| 29 | Improve your writing, edit text, check grammar, and create content on the go. | Semrush | 2万 | ★ 4.5 |
| 30 | Generate YouTube transcript summaries with OpenAI, Google Gemini, or Anthropic Claude. | aisummary | 2万 | ★ 4.3 |
| 31 | Writing Assistant Tool. | textoptimizer | 2万 | ★ 4.6 |
| 32 | Instantly fix grammar and improve your writing in any text field. Check typos, preview changes, and apply corrections with one click | - | 2万 | ★ 4.8 |
| 33 | The ultimate browser extension for accessing Chatgpt | - | 2万 | ★ 4.4 |
| 34 | Get instant AI summaries and writing assistance everywhere you need it. | ParagraphAI | 2万 | ★ 4.4 |
| 35 | Prompt Genie is your all-in-one AI prompt assistant that helps you create, fix, and organize better prompts. | Ycj Group | 2万 | ★ 4.8 |
| 36 | GradeProof | 2万 | ★ 4.4 | |
| 37 | Boost your next viral loop with AI rewriting in social media and make a thoughtful comment by AI. | - | 2万 | ★ 4.5 |
| 38 | Free Open AI ChatGPT and AI writer tool for e-commerce to generate compelling Product listing content easily | - | 2万 | ★ 3.6 |
| 39 | Benri Labs | 2万 | ★ 4.9 | |
| 40 | Your secure writing assistant that gives you spelling, grammar, and style suggestions as you type. | zoho | 2万 | ★ 3.7 |
| 41 | Next-gen language & grammar checker | trinka | 1万 | ★ 3.8 |
| 42 | OneAI ra đời với sứ mệnh biến không gian làm việc quen thuộc của bạn trở nên mạnh mẽ, hiệu suất và thông minh vượt trội. | misa | 1万 | ★ 4.8 |
| 43 | Improve your writing with proofreading, summarization, autocompletion, rephrasing, AI chat assistance, and more. | JetBrains s r o | 1万 | ★ 4.2 |
| 44 | - | 1万 | ★ 4.7 | |
| 45 | Writingmate AI Copilot Chatbot by ChatGPT, OpenAI, Claude: Translate English, Chat Chatting GPT, Check Grammar, Rewrite | writingmate | 1万 | ★ 4.4 |
| 46 | nily | 1万 | ★ 4.8 | |
| 47 | 🌟 Undetectable AI Human Typer Tool for Google Docs - Chrome Extension 🌟
🚀 Revolutionize Your Work with AI-Powered Typing… | undetectable | 1万 | ★ 3.3 |
| 48 | All-in-one AI copilot. Write, translate, summarize, check grammar, and automate tasks with 30+ AI models. | jarvis | 1万 | ★ 4.6 |
| 49 | Track and manage your job applications from across the web in one place and say goodbye to spreadsheets! | eztrackr | 1万 | ★ 4.9 |
| 50 | DeepSeek AI Chat: get answers, explore information, and chat with web pages using the latest DeepSeek V4.1 Flash and Pro models. | - | 1万 | ★ 4.3 |
2026年9月時点で、ユーザー数で見ると、「AIライティング」関連のChrome拡張機能の1位はGrammarly(ユーザー 4000万)です。続いてQuillbot(ユーザー 600万)、AI Grammar Checker & Paraphraser(ユーザー 200万)。
ユーザー数の高い順に、上位10件は次のとおりです:1. Grammarly、2. Quillbot、3. AI Grammar Checker & Paraphraser、4. Wordtune、5. AI Grammar and Spell Checker by Ginger、6. Jetwriter AI、7. Smart Sidebar、8. Compose AI、9. Jobright Autofill、10. Justdone。
AlphaMoatは992件の「AIライティング」関連のChrome拡張機能を収録し、ユーザー数で順位付けしています。ユーザー数はChromeウェブストアの公開データに基づきます。データは毎月更新しており、現在は2026年9月のデータです。
このタグの付いたすべてのChrome拡張機能を、最新月のインストール数で並べています。詳しくはデータの方法論をご覧ください。