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Generate professional LinkedIn comments with AI. Sign in for 100+ comments/month. PostFast helps you write better LinkedIn comments in seconds using AI. 🚀 FEATURES: • One-click AI reply generation on any LinkedIn post • Smart, contextual responses that match the post content • Professional tone that boosts engagement • Works directly on LinkedIn - no copy/paste needed • Login to sync across devices or use anonymously 💡 HOW IT WORKS: 1. Install and click the extension icon 2. Sign in or continue without account 3. Go to any LinkedIn post 4. Click "Generate Reply" button 5. Get an AI-crafted response instantly! 📊 PLANS: • Free: 3 replies per day (no account needed) • Starter: 250 replies per month • Pro: Unlimited replies ⚡ WHY POSTFAST? • Save 10+ hours per week on LinkedIn engagement • Never stare at a blank comment box again • Increase your visibility with consistent commenting • Professional responses that get noticed 🔒 PRIVACY & SECURITY: • We only read posts you choose to reply to • Your data is never sold or shared • Secure authentication • No tracking or analytics Perfect for: • Sales professionals • Entrepreneurs & founders • Content creators • Job seekers • Anyone building their LinkedIn presence 🆕 WHAT'S NEW IN v1.1: • Fixed authentication flow • Improved plan detection • Better usage tracking • Enhanced UI/UX Start generating better LinkedIn replies today!
Jan 7, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.