Postmine

What is Postmine?

One-click Chrome Extension captures trending posts from LinkedIn, Reddit, Facebook, and X. Your AI transforms each into 7 platform-ready pieces — blog post, LinkedIn article, Twitter thread, Facebook post, Instagram caption, Reddit post, and FAQ — in under 30 seconds. Set Brand Voice profiles so every piece sounds like you, not generic AI. Bulk Capture processes entire feeds at once. A built-in Content Calendar lets you schedule, track, and stay consistent. AI Reply Suggestions help you engage faster with smart responses. BYOK — bring your own Claude, OpenAI, Gemini, or DeepSeek key. You control your AI costs. Relevance Scoring highlights which discussions are worth repurposing. Built for content creators, social media managers, marketing teams, solopreneurs, and freelance writers — anyone who sees great conversations online and thinks "this would make a great post" but doesn't have hours to write it. Start with a $1 trial. No long-term commitment. Cancel anytime.

Key Features