Travel AI Planner is an AI-powered travel planning tool that helps users create detailed, realistic itineraries. It remembers user preferences across trips, including travel style, dietary needs, and interests, and builds day-by-day plans with realistic timing, transit options, and multi-city support. Key features include intent-first planning, cost optimization with automatic estimates, group planning with collaboration and voting, flight and accommodation suggestions, smart packing and visa information, calendar sync and export, and access to community itineraries. The tool is free to use with 5 free queries per day and offers companion browser extensions for booking extraction and Airbnb listing analysis.