Most van build tools solve one thing. Vanalyze brings it all together in one free toolkit. The standout: pick your appliances and it calculates your full electrical system. Battery bank, cable sizes, fuse ratings, inverter, solar, MPPT. Then it generates a complete wiring diagram. No spreadsheets, no YouTube rabbit holes. Also includes weight/payload, gas installation, and more. Everything to plan your van conversion in one place. Free, no account needed.