ReplyAI - Smart Email Replies

Write perfect email replies in seconds. Choose a tone, get a ready-to-send draft. Works on Gmail and Outlook. BYOK.

ReplyAI writes email replies in seconds — directly in Gmail and Outlook. Just highlight a received email, pick a tone (Professional, Friendly, Concise, Apologetic, or Follow-Up), and get a polished, ready-to-send draft instantly. Powered by Claude AI using your own API key. Features: ✅ Works inside Gmail and Outlook ✅ 5 tone options: Professional, Friendly, Concise, Apologetic, Follow-Up ✅ Bring your own Anthropic API key (BYOK) — no subscription required ✅ One-click copy to clipboard ✅ Nothing stored on our servers Perfect for sales reps, customer support teams, freelancers, and anyone who sends a lot of email.