Top Chrome Extensions for Chatgpt Grammar Checker
Chatgpt Grammar Checker Chrome extensions — 670 monthly searches · Rankings shifted 23× in 7 days · Top 3 locked — dominated by incumbents
What Developers Can Learn
Intelligence derived from tracked keywords across all Chatgpt Grammar Checker sub-keywords
Most Congested
The market appears open with only 23 active extensions, yet Linguix dominates with 20,000 users while GrammarSafe, despite a perfect 5.0 rating, has just 30 users.
This suggests the market rewards early visibility and brand recognition over quality alone.
The top 5 average 4.6 stars, setting a high quality bar for new entrants.
Possible Openings
Adjacent Chatgpt niches show strong potential: Voice Chat (2K monthly searches), Math Solver (1.8K), and Text To Speech (1.3K) all offer lower competition while leveraging the massive 223.8M search volume of the parent Chatgpt keyword.
Writing Assistant (590 searches) is closest in intent but has minimal competition.
Positioning Patterns
Top performers blend AI specificity with utility: Linguix leads with 20K users at 4.5 stars, Magictool AI follows with 9K users at 4.8 stars.
Common traits include AI/ChatGPT branding, multi-feature positioning (writing assistant, not just grammar), and strong ratings above 4.5 stars.
New entrants like Autowriter focus on ubiquitous site coverage.
Top Extensions Leaderboard
7-day ranking snapshot and appearances in Top 10
| # | Extension | Users | Rating | Appearances | Category | Momentum |
|---|---|---|---|---|---|---|
| 1 |  Linguix: Grammar Checker and AI Writing App | 20,000+ | ⭐ 4.5 | 7/7d | Chatgpt | — stable |
| 2 |  Secure AI Grammar Checker - GrammarSafe | 30 | ⭐ 5 | 7/7d | Chatgpt | — stable |
| 3 |  AI Chrome Extension powered by ChatGPT - Magictool AI | 9,000+ | ⭐ 4.8 | 7/7d | Chatgpt | — stable |
| 4 |  Grammar Checker | 14 | ⭐ 0 | 7/7d | Chatgpt | — stable |
| 5 |  Typely – AI Writing Assistant & Grammar Checker | 39 | ⭐ 4 | 7/7d | Chatgpt | — stable |
| 6 |  Sider: Chat with all AI: GPT-5, Claude, DeepSeek, Gemini, Grok | 5,000,000+ | ⭐ 4.9 | 7/7d | Chatgpt | — stable |
| 7 |  ChatsNow: ChatGPT AI Sidebar (o1-preview, GPT-4o, Claude 3, Gemini) | 10,000+ | ⭐ 4.8 | 7/7d | Chatgpt | ↑ rising |
| 8 |  Chat with all AI models (Gemini, Claude, DeepSeek…) & AI Agents | AITOPIA | 900,000+ | ⭐ 4.9 | 7/7d | Chatgpt | ↓ dropping |
| 9 |  QuickAI | 7 | ⭐ 0 | 7/7d | Chatgpt | — stable |
| 10 |  Quick Prompts: ChatGPT Text Rewriter & Summarizer | 71 | ⭐ 5 | 7/7d | Chatgpt | — stable |
Linguix: Grammar Checker and AI Writing App
20,000+ · ⭐ 4.5 · 7/7d
Secure AI Grammar Checker - GrammarSafe
30 · ⭐ 5 · 7/7d
AI Chrome Extension powered by ChatGPT - Magictool AI
9,000+ · ⭐ 4.8 · 7/7d
Grammar Checker
14 · ⭐ 0 · 7/7d
Typely – AI Writing Assistant & Grammar Checker
39 · ⭐ 4 · 7/7d
Sider: Chat with all AI: GPT-5, Claude, DeepSeek, Gemini, Grok
5,000,000+ · ⭐ 4.9 · 7/7d
ChatsNow: ChatGPT AI Sidebar (o1-preview, GPT-4o, Claude 3, Gemini)
10,000+ · ⭐ 4.8 · 7/7d
Chat with all AI models (Gemini, Claude, DeepSeek…) & AI Agents | AITOPIA
900,000+ · ⭐ 4.9 · 7/7d
QuickAI
7 · ⭐ 0 · 7/7d
Quick Prompts: ChatGPT Text Rewriter & Summarizer
71 · ⭐ 5 · 7/7d
Ranking Volatility - Top 10 Ranks
7-day Top 10 movement snapshot (2026-06-30 to 2026-07-06)
Data Methodology
- Data source:
- Chrome Web Store search results
- Update frequency:
- Weekly
- Monthly Search Demand:
- Estimated demand indicator sourced from third-party keyword data. Not CWS-internal figures.
Is your extension visible
in Chatgpt Grammar Checker extension market?
Track your extension's ranking for any Chatgpt Grammar Checker keyword, monitor weekly changes, and find the exact gaps between you and the top 10.