Best Online Garage, Shed & Outbuilding Design Software (No Download)

Free CAD tool generating a 3D model, plans, bill of materials, and cost estimate from your parameters; one-story rectangular gable/shed roofs only.

100% free, no signup; generates materials lists, diagrams, build instructions, and PDF/JSON export for any shed size.

Free real-time 3D configurator with cutting list and PDF/SketchUp export; saving variations and full plans is the free offer, with paid upgrades for businesses.

Free 2D/3D garage interior planner with a basic catalog; premium items, HD renders, and some exports require a paid plan.

Free browser 3D garage planner; advanced catalog items, custom textures, and 3D/PDF exports require BASIC or PRO plans.

Free 3D carport/garage builder with instant zip-based pricing and online ordering, limited to Alan's metal building catalog.

Free 3D carport/garage design tool with live price changes; you save and submit for a quote rather than checkout.

Free 3D pole barn designer, no account needed; design freely, but pricing/kits come through their team.

Free 3D pole-building designer with no account required; ends in a vendor quote rather than a purchase.

Free shed/yard-building designer with material estimates; you can save a Design ID and buy materials at Menards, but it's locked to Menards inventory.

Free 3D configurator with real-time zip-based pricing for carports and enclosed garages, with online order submission; brand catalog only.

Free 3D post-frame designer; fully usable to design and save, but ends in a Morton sales consultation rather than instant purchase.

Free proprietary 3D shed/garage builder with full options and live pricing; outputs only Old Hickory buildings.

Free 3D configurator to design/price a Tuff Shed; you can save a quote or buy, but it only outputs Tuff Shed products.

Free 3D designer for metal carports, garages, and barns; design and save freely, but final price comes via a submitted quote.