InboxPilot is a privacy-first AI email assistant for Gmail. Generate smart replies with ChatGPT, Claude, or Gemini—without sharing your data.
✓ No subscription fees • ✓ Your API keys, your data • ✓ Works with ChatGPT, Claude & Gemini
The only AI email assistant that never sees your data
Bring Your Own API Key. Your emails and API keys never touch our servers. Direct connection from your browser to your chosen AI provider.
Review and edit every AI-generated reply. Refine with AI to improve your edits, or regenerate for a completely new approach.
Choose from ChatGPT (GPT-4, GPT-5, o1, o3), Claude (Sonnet 3.5, Opus 4), or Gemini (2.0 Flash, 2.5 Pro). Switch anytime.
Control tone (Professional, Friendly, Casual, Formal), length (Short, Medium, Long), and add custom instructions for each reply.
Analyzes your sent emails to match your personal writing style, tone, and vocabulary. Future replies sound like you.
Native Chrome side panel stays open while you work. One-click reply generation. Direct insertion into Gmail. Preserves your signature.
Get started in 5 minutes
Add the free extension from Chrome Web Store. Takes 30 seconds.
Sign up for OpenAI, Anthropic, or Google AI. Get a free or paid API key. Most providers offer free trials.
Add your API key to InboxPilot Settings (one-time setup). Choose your preferred AI model.
Open any email in Gmail. Click InboxPilot icon. Choose tone & length. Generate reply. Edit if needed. Insert into Gmail. Send!
InboxPilot is 100% free. You only pay your AI provider directly.
Forever free. No subscription.
Typical usage: 200-500 emails/month = $5-15/month
vs. $50+/month for other AI email tools with subscriptions
Watch how InboxPilot helps you write professional emails in seconds
Join thousands of professionals who've reclaimed hours every week with InboxPilot.
No credit card required • No subscription • Your data stays yours