What is ReplyKit — AI replies for X, LinkedIn & Reddit?

ReplyKit is a browser extension that generates AI-powered replies and comments for X (Twitter), LinkedIn, and Reddit. It reads the thread and the post you're answering, matches the energy, and avoids generic AI phrases to produce human-like, specific responses. The extension offers multiple tones and viral templates, and includes a polish feature to refine your own drafts.

How to use ReplyKit — AI replies for X, LinkedIn & Reddit?

Install the extension from the Chrome Web Store, then open X, LinkedIn, or Reddit. When you want to reply, pick a tone (Support, Analyze, Witty, etc.) and ReplyKit will draft a reply that answers the post in the post's language. You can also paste a rough thought into the polish feature to get a sharper version. Free users get 3 replies per day; upgrade to Pro for unlimited replies.

Core features of ReplyKit — AI replies for X, LinkedIn & Reddit

AI reply generation for X, LinkedIn, and Reddit
8 tones: Support, Analyze, Witty, Inform, Question, Challenge, Humor, Custom
Viral post templates on X (hot take, story hook, lesson, question hook, data drop)
Reads the thread and matches conversation energy
Polish my draft feature to refine your own text
Free tier: 3 replies/day, no API key or credit card required
Pro plan: €6.99/month for unlimited replies and smarter model