AlphaMoatによると、2026-09時点でChrome拡張機能LinkedIn Copilotのユーザー数は21(前月比 +61.5%)で、9,324件のAIブラウザ拡張機能中7,292位、ライティングでは744件中582位です。
LinkedIn Copilotとは
AI writing assistant for LinkedIn. Generate smart comments, cold DMs, and posts with one click. LinkedIn Copilot is an AI-powered writing assistant that helps you write better LinkedIn comments, messages, and posts — directly inside LinkedIn.
A floating widget appears right where you type, just like Grammarly. Click it, choose your tone, and get perfectly crafted text in seconds.
HOW IT WORKS 1. Navigate to LinkedIn and start typing a comment, message, or post 2. A small floating button (✨) appears next to your text input 3. Click it to open the assistant panel 4. Add optional direction, pick a tone, and hit Generate 5. Insert the result directly into LinkedIn with one click
FEATURES
Smart Comments Reads the post you're replying to and generates thoughtful, relevant comments. No more generic "Great post!" responses.
Cold DM Crafting Creates personalized outreach messages based on the recipient's profile. Includes their name, headline, and recent conversation context.
ストアの説明の続きを表示▾
Post Creation Writes compelling LinkedIn posts from your prompts. Hook-first format, natural language, optimized for engagement.
Real-Time Streaming Watch your text generate word-by-word in real time. No waiting for a full response.
Tone Presets Choose from 5 built-in tones:
- Professional — Polished and business-appropriate
- Casual — Relaxed and conversational
- Witty — Clever humor that stands out
- Friendly — Warm and encouraging
- Authoritative — Confident and expertise-driven
Or create your own custom tones.
Custom Instructions Define your personal writing style once, and it applies to every generation. Your voice, your rules.
AI PROVIDERS
Use it for free or bring your own API key:
Free Tier (LinkedIn Copilot Pro)
- 10 free generations per day
- No API key needed
- Powered by Claude AI
Bring Your Own Key (Unlimited)
- OpenAI (GPT-4o, GPT-4o Mini, GPT-4 Turbo)
- Anthropic (Claude Sonnet, Claude Haiku)
- Groq (Llama 3.3 70B, Llama 3.1 8B, Mixtral 8x7B)
PRIVACY & SECURITY
Your data stays yours:
- API keys are stored locally on your device using Chrome's storage API
- When using your own API key, requests go directly from your browser to the AI provider
- No analytics, no tracking, no data collection
- 100% open source: inspect every line of code on GitHub (github.com/kosbay/linkedin-copilot)
KEYBOARD SHORTCUTS
- Cmd/Ctrl + Enter: Generate text
- Click outside or X: Close panel
GETTING STARTED 1. Install the extension 2. Click the extension icon in your toolbar 3. Start typing on LinkedIn — the widget appears automatically 4. (Optional) Open Settings to configure your preferred AI provider and API key
Works on linkedin.com. Requires an active LinkedIn session.
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。