
They enter their details.
Gender, height, weight and age: information they already know, sent over an encrypted connection.
Solutions

Ready-to-wear, sportswear, streetwear or outdoor: a personalised recommendation on your product pages, calculated against your own size chart from a few answers. No photo, no tape measure.
No commitment · Installed in minutes
Your customer is torn between two sizes. She opens “Find my size” on the product page, answers a few questions and sees her recommended size before adding to basket.
Real widget on mobile, demo storeThe same widget and the same WeeFizz workspace, from the back office you already use. On Shopify, installation takes a few clicks.
Detailed guides: Shopify size recommendation PrestaShop module WooCommerce extension Size recommendation in e-commerce Create your size chart
Don't take our word for it: for 14 days, WeeFizz runs on your own product pages and you see what it brings in.
The Shopify app, the PrestaShop module, the WooCommerce plugin or the SDK. Your size charts are taken as they are and calibrated by our team.
Your WeeFizz workspace shows, product by product, widget usage, recommended sizes and conversion.
After 14 days, you keep WeeFizz or you stop. No commitment.
This is the real journey, recorded on mobile: the customer opens “Find my size”, answers, and adds to basket in the recommended size.
Denim jacket, running trousers or dress: when the size is right at the point of order, the parcel stays with your customer.

Screenshot of the WeeFizz workspace, Analytics section (demo store).
“M or L?” Your size chart is precise, but your customers don't know their measurements. They want an answer, not a table.

Gender, height, weight and age: information they already know, sent over an encrypted connection.

Upper body, stomach, hips: they choose the image that looks most like them.

Calculated against your size chart and remembered for the rest of the visit.
Your customers' answers travel over a 100% encrypted (SSL) connection and are hosted in Europe.
No images, no camera, no biometric data. Self-reported answers only.
Minimal collection, clear purpose, individuals' rights guaranteed.
Data stored and processed on servers located in the EU.
Size charts, history, analytics: everything belongs to your store.
Independent brands, multi-brand e-shops, retail chains: the widget works from your own size chart, whatever your market.




14-day free trial, no commitment. Pricing and installation details are in our plans.
