MailHook — AI Email Reply Writer

Generate AI-powered email replies in Gmail and Outlook. Choose a tone, get 3 options, insert instantly.

Stop wasting time writing emails. MailHook generates ready-to-send email replies directly inside Gmail and Outlook — powered by AI. How it works: 1. Open any email in Gmail or Outlook 2. Click the MailHook button that appears 3. Choose your tone (Professional, Friendly, Concise, Decline) 4. Click Generate — get a complete reply in seconds 5. Insert it directly into your reply box, or copy to clipboard Key features: • AI-Powered Replies — Uses GPT-4o-mini to write natural, human-sounding responses • Multiple Tones — Professional, Friendly, Concise, Decline, Follow-up • Auto-Detection — Automatically reads the email you're viewing (sender, subject, body) • Manual Mode — No email detected? Paste it manually and generate a reply • One-Click Insert — Paste your reply directly into Gmail/Outlook's reply box • Copy to Clipboard — Or copy the reply to use anywhere • History — All generated replies saved locally for reference • Privacy First — Your API key stays in your browser. No tracking, no servers. Perfect for: • Busy professionals drowning in email • Sales teams responding to leads • Customer support handling tickets • Freelancers and consultants • Anyone who wants to save time on email Bring your own OpenAI API key — get one at platform.openai.com. Each reply costs ~$0.001 (a tenth of a cent). Works with: • Gmail (mail.google.com) • Outlook Web (outlook.live.com, outlook.office.com) Free vs Pro: • Free: 5 AI replies per day • Pro ($4.99/month): Unlimited replies