Data month 2026-09
Best AI Writing Browser Extensions
As of September 2026, AlphaMoat tracks 1,087 AI browser extensions tagged AI Writing. The most-installed is Grammarly (40.0M users). Ranked by install count, updated monthly.
| # | Extension | Publisher | Users | Rating |
|---|---|---|---|---|
| 1 |  Improve grammar, clarity, and tone with AI writing assistance directly in your browser | Grammarly | 40.0M | ★ 4.5 |
| 2 |  Check grammar, paraphrase text, and refine your writing without leaving the page | QuillBot | 6.0M | ★ 4.7 |
| 3 |  LanguageTool checks grammar, spelling and punctuation as you type and adds style and paraphrasing suggestions in the browser. | LanguageTooler | 2.0M | ★ 4.7 |
| 4 |  Wordtune is an AI writing companion that paraphrases, rewrites, translates, and fixes grammar. | AI21 Labs | 1.0M | ★ 4.6 |
| 5 |  Ginger checks spelling and grammar as you type in the browser and adds an AI rephrase, a synonyms lookup and a definitions dictionary. | gingersoftware | 500.0K | ★ 3.8 |
| 6 |  Write emails and messages, chat with any page, and polish your writing with AI in seconds. | Jetwriter AI | 500.0K | ★ 4.6 |
| 7 |  support your browser with an AI sidebar powered by ChatGPT, Claude Sonnet, and DeepSeek. | ChatGPT Buddy | 400.0K | ★ 4.6 |
| 8 |  Autocomplete sentences, draft emails, and rephrase text anywhere you type with AI. | compose | 300.0K | ★ 4.1 |
| 9 |  Autofill job applications in one click, match your resume, and track every application. | jobright | 300.0K | ★ 4.9 |
| 10 |  Justdone is an AI writing assistant that checks grammar, paraphrases, summarizes, and improves clarity in more than 30 languages as you write online. | JustDone | 200.0K | ★ 3.7 |
| 11 |  Screenshot or highlight any question to get step-by-step AI solutions and writing help. | Answer.AI | 100.0K | ★ 4.9 |
| 12 |  Translate text and enhance your writing with AI on any website for smoother reading. | Ddict | 100.0K | ★ 4.2 |
| 13 |  QuestionAI is a browser copilot for study questions: take a screenshot and get an answer in the sidebar, with writing help on the page. | FlowMind Technology | 100.0K | ★ 4.8 |
| 14 |  GPT Workspace runs a GPT agent inside Google Sheets, Docs, Slides, Gmail and Drive so you can write, edit and analyse without leaving the file. | Qualtir | 100.0K | ★ 4.9 |
| 15 |  Conch AI is a writing assistant that helps draft, paraphrase, summarize, and cite sources directly in the browser. | Conch AI | 100.0K | ★ 4.7 |
| 16 |  AI writing assistant that autocompletes your sentences in Gmail, Google Docs, ChatGPT, and more. | hyperwriteai | 90.0K | ★ 4.3 |
| 17 |  Voila is a browser copilot and AI writer that answers questions, drafts email, summarises websites and translates text on any page you open. | Initial condition | 80.0K | ★ 4.7 |
| 18 |  Cross-border trade toolkit for Alibaba, Aliexpress, and Lazada with ChatGPT-powered listing and analytics. | i-shunxi | 70.0K | ★ 3.2 |
| 19 |  Writing assistant that corrects, rephrases, and speeds up your text inside the tools you use. | J2S3 | 70.0K | ★ 4.5 |
| 20 |  This Spanish checker corrects grammar, spelling and punctuation as you write and rewrites or paraphrases text in the style you choose. | correctoai | 70.0K | ★ 4.6 |
| 21 |  Writer is an enterprise AI writing platform that helps teams draft, brand, and govern content across their workflows. | WRITER | 70.0K | ★ 4.4 |
| 22 |  The Xiezuocat extension brings a Chinese writing assistant into any web page for searching, translating, drafting and proofreading. | xiezuocat | 50.0K | ★ 4.5 |
| 23 |  TextCortex is an AI writing companion that helps teams and professionals write better from anywhere, with enterprise knowledge agents and a chat assistant called ZenoChat. | TextCortex AI | 50.0K | ★ 4.9 |
| 24 |  SchoolAI brings rubric feedback, lesson tools, and personalized student Spaces into the apps schools already use. | SchoolAI | 50.0K | ★ 4.2 |
| 25 |  Rytr is an AI writing assistant that generates articles, marketing copy, and other content to help you write faster and beat blank-page anxiety. | rytr | 40.0K | ★ 3.8 |
| 26 |  editGPT is a ChatGPT-based editing tool that proofreads your text, revises wording, and tracks every change you make. | Editgpt | 40.0K | ★ 4.0 |
| 27 |  Humanize AI-generated text, scan for AI traits, and solve problems from screenshots anywhere online. | Undetectable AI | 30.0K | ★ 4.7 |
| 28 |  Multilingual grammar checker and rewriter that improves your writing and creates compelling content in real time. | Textly | 30.0K | ★ 4.5 |
| 29 |  Engage AI uses ChatGPT to draft LinkedIn comments, so sales and marketing teams can scale social selling without writing each reply by hand. | engage-ai | 30.0K | ★ 4.5 |
| 30 |  Semrush AI Writer and Editor improves your writing and creates content right where you work. | Semrush | 20.0K | ★ 4.5 |
| 31 |  Youtube Transcript AI Summary produces YouTube transcript summaries through OpenAI, Google Gemini or Anthropic Claude, with manual and automatic modes. | aisummary | 20.0K | ★ 4.3 |
| 32 |  TextOptimizer is an AI writing assistant that helps you craft SEO-rich, reader-friendly content with neural networks. | textoptimizer | 20.0K | ★ 4.6 |
| 33 |  Fix Grammar and Spelling is a writing assistant that corrects typos and improves your text in any field with one click. | - | 20.0K | ★ 4.8 |
| 34 |  Superpowers for ChatGPT adds quick ways to open ChatGPT from the Chrome toolbar, the address bar and the right-click menu. | Adam Pass | 20.0K | ★ 4.4 |
| 35 |  ParagraphAI provides AI summaries and writing assistance wherever users compose text. | ParagraphAI | 20.0K | ★ 4.4 |
| 36 |  Prompt Genie helps users create, fix, organize, and reuse prompts for AI work. | Ycj Group | 20.0K | ★ 4.8 |
| 37 |  Outwrite checks grammar, improves writing style, finds synonyms, and paraphrases sentences. | Outwrite | 20.0K | ★ 4.4 |
| 38 |  AI Social Media Post Generator drafts social posts and thoughtful comments with AI rewriting. | - | 20.0K | ★ 4.5 |
| 39 |  GPT for Ecom helps sellers create compelling ecommerce product-listing copy with ChatGPT. | - | 20.0K | ★ 3.6 |
| 40 |  Track job applications and use AI resume grading plus tailored cover letters to land interviews. | Benri Labs | 20.0K | ★ 4.9 |
| 41 |  Secure writing assistant delivering spelling, grammar, and style suggestions as you type across the web. | zoho | 20.0K | ★ 3.7 |
| 42 |  An AI-based writing assistant that corrects academic grammar and improves tone, vocabulary, and conciseness in real time. | Crimson AI | 10.0K | ★ 3.8 |
| 43 |  OneAI places a comprehensive AI assistant inside the browser for everyday work and browsing. | misa | 10.0K | ★ 4.8 |
| 44 |  Grazie is a free AI writing assistant that proofreads, autocompletes, rephrases and translates your text across the web. | JetBrains | 10.0K | ★ 4.2 |
| 45 |  Transforms ChatGPT-generated content into natural, human-like text in your browser. | AISEO | 10.0K | ★ 4.7 |
| 46 |  GPT-4 powered copilot for writing emails and messages in seconds, one click from any tab. | writingmate | 10.0K | ★ 4.4 |
| 47 |  An AI sidebar copilot that chats with many models and helps you read, write, translate and create. | nily | 10.0K | ★ 4.8 |
| 48 |  Type pre-written text in Google Docs with human-like rhythm so copied content reads as manual typing. | Undetectable AI | 10.0K | ★ 3.3 |
| 49 |  An all-in-one AI copilot for writing, translating, summarizing and automating tasks in your browser. | jarvis | 10.0K | ★ 4.6 |
| 50 |  Track job applications on a Kanban board and let EzAI draft personalized answers and cover letters. | Eztrackr | 10.0K | ★ 4.9 |
Related tags
FAQ
AI Writing Chrome extensions: which ranks #1?
In September 2026, Grammarly (40.0M users) ranks #1 by users, followed by Quillbot (6.0M users) and AI Grammar Checker & Paraphraser (2.0M users).
AI Writing Chrome extensions: what are the top 10?
Ranked by users, the top 10 are: 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.
How many AI Writing Chrome extensions does AlphaMoat track, and where does the data come from?
AlphaMoat tracks 1,087 AI Writing Chrome extensions, ranked by users. User counts come from public Chrome Web Store data. Updated monthly; the current data is for September 2026.
Lists every Chrome extension carrying this tag, ranked by latest-month install count. See methodology.