Riff is a free Chrome extension that drafts posts, replies and DMs for X, LinkedIn, Facebook and Instagram right in your browser. It runs on-device with Chrome's built-in Gemini Nano, so your text never leaves your computer. No account, no API key, free. Install: https://chromewebstore.google.com/detail/riff-fresh-replies-for-x/oapafjkedoiikjneaadcdojmophehfhl
Founder: Michael Zima
Pricing: Free
