One measurement. Instant size recommendations across 149 brands and 13 countries. No more returns from wrong sizes.
Store owner? See how FitScan cuts returns by 40% →
Also available as a Chrome Extension — get your size on Nike, Adidas, and 46 more stores3 ways to get your perfect size — pick whichever works for you
Stand on paper, trace your foot. Measure from heel to longest toe in mm. Enter the number — done!
Place foot on A4 paper next to a coin. Take a photo with any smartphone. AI extracts the measurement.
iPhone 12 Pro or newer. Point the camera at your foot. 3D scan with 1mm precision in 5 seconds.
Simple for users, powerful for shops
Place your foot on a sheet of paper next to a reference object (coin or card). Take a photo with your phone — or simply enter your foot length in mm.
Our engine calculates your exact size using the Brannock formula, Paris point system, and brand-specific offsets. It accounts for foot width, arch type, and biomechanics.
Instantly see your recommended size for Nike, Adidas, New Balance, and 146 more brands — in US, EU, UK, JP, and 9 more country systems.
Add to cart knowing it's the right size. No returns, no exchanges, no wasted time. The shoe fits — first time, every time.
Your size follows you everywhere
Try the full sizing experience with a live product catalog. See how FitScan recommends your perfect size.
Try it now →Get your size on any online store. Works on Nike, Adidas, New Balance, and 45 more stores.
Available on Chrome Web Store →LiDAR precision scanning with 1mm accuracy. 3D foot model, AR try-on, and offline size passport.
Coming to App StoreFor merchants: embed FitScan on your store with 3 lines of code. Instant sizing for your customers.
See integration guide →FitScan creates value for every side of the transaction
The FitScan Flywheel: Customers get accurate sizes for free → they buy with confidence → shops see fewer returns and more sales → shops invest in FitScan → we improve the AI with more data → sizing gets even more accurate → everyone wins, cycle repeats.
Scan once — use your size everywhere, forever
Measure your foot once. Get your exact size for all 149 brands, stored in your personal Size Passport.
Know your Nike size? Instantly find your Adidas, New Balance, ASICS — any brand. No measuring needed.
Website, Shopify store, Chrome extension, iOS app — your Passport follows you across every shopping experience.
Reduce returns. Increase conversions. Happy customers.
Customers buy the right size the first time. Fewer returns, lower logistics costs, better margins.
When customers are confident in their size, they buy. Remove the #1 hesitation barrier.
Add one script tag to your site. Widget appears. Sizes calculated. That's it.
One script tag. That's all you need.
<!-- Add to your product page --> <script src="https://fitscan.io/sdk/fitscan.js" data-partner="YOUR_KEY" data-brand="Nike"></script> // Widget appears automatically. // User clicks "Find My Size" -> enters foot length // -> gets instant recommendation -> buys with confidence.
Start free. Scale as you grow. No credit card required.