Free tool
Cosplay Material Decision Wizard
EVA foam, Worbla, or 3D printing? Answer 4 questions about your build, budget, skill level, and priority. Get a material recommendation with thickness guide, glue chart, and paint compatibility so you buy the right stuff the first time.
Start your build with confidence
Costumary tracks your materials, budget, timeline, and progress in one workspace. Pick a template, add your materials, and build.
Start a buildMore free tools for makers
Budget Calculator
Estimate your build cost before you start. Add materials, track spending, and stay on budget from first sketch to con floor.
Commission Pricing Calculator
Figure out what to charge. Factor in materials, labor hours, complexity, and overhead so you never underprice a commission again.
Prop Scaling Calculator
Scale any weapon, staff, or accessory to your height. Input the character's canon dimensions and your measurements, get cut-ready numbers.
Spray Paint Color Matcher
Upload a reference image or paste a hex code, then find close spray paint matches for props, helmets, 3D prints, and model kits.
Convention Packing Checklist
The packing list cosplayers actually use. Con essentials, repair kit, sewing survival, wig and makeup, and everything you forget until the parking lot.
Convention Budget Calculator
Know what your next con will actually cost. Badge, hotel, travel, food, and shopping breakdown with per-person split for groups.
Convention Profit Tracker
Was your show worth it? Estimate break-even before a craft fair, log actual sales after, and compare which shows actually make you money.
Fabric Yardage Calculator
How much fabric do you need? Pick a build type, enter your measurements, and get yardage estimates with stretch and waste factors for cosplay and sewing.
Carousel Composer
Drop your slide templates, overlay photos on each one, crop and rotate, then export everything as a zip. Runs in your browser, nothing uploaded.