Free Online FPV Drone Builder & AI Simulator
JoinFPV is a free online FPV drone builder and simulator. Pick a frame, flight controller, ESC, motors, VTX, camera, LiPo battery and propellers, then validate electrical and physical compatibility in real time with our AI-powered engine. Visualize your build in 3D, calculate thrust-to-weight ratio, preview your Betaflight CLI configuration, and save unlimited builds.
What you can build with JoinFPV
- FPV freestyle quads (5-inch, 6-inch, 7-inch)
- FPV racing drones
- Cinewhoops and cinematic rigs
- Long-range and cruiser builds
Features
- Real-time component compatibility validation
- Thrust-to-weight ratio and flight-time estimation
- Interactive 3D drone visualization with PBR materials
- Betaflight CLI configuration preview
- AI build analysis and personalized recommendations
Browse by FPV discipline
- Freestyle 5"/6" — see /freestyle
- Racing 5" — see /racing
- Cinewhoop 3" ducted — see /cinewhoop
- Long-range 7"/10" — see /long-range