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Truesize.co.uk

Tell shoppers their size before they order.

Truesize adds a size advisor to any product page with one script tag. Shoppers answer a few questions, get a size, and fewer orders come back for being the wrong fit.

The free plan needs no card. Works on Shopify, WooCommerce, Magento, BigCommerce and custom stores.

Find my size
How do you like it to fit?
XS
S
M
L
XL
XXL

Your recommended size

80% match

Demo on a sample chart. On your store it uses your own size charts.

Live on a product page in an afternoon.

  1. 1

    Add your products

    Import a CSV or sync from your store with the API. Add your own size charts if you have them.

  2. 2

    Paste one script

    Copy the install snippet from your dashboard onto the product page. List your domain and you are live.

  3. 3

    Read the results

    See how many shoppers got a size and whether those who followed it returned less.

Four quick steps, one clear answer.

Your measurements

Height

178 cm

Weight

79 kg
Next

Quick measurements

Height and weight are enough to start. Nothing to download, no account for the shopper.

How do you like it to fit?

Snug
As usual
Relaxed
Back
Next

How they like it to fit

Snug, as usual or relaxed. The same shopper can get a different size for a hoodie and a shirt.

A size you know

Optional, but it makes the match sharper.

Brand

Your brand

Size you wear

SMLXL
Skip
Find my size

A brand they already know

If they know they wear a Medium in a brand, that size anchors the result.

Your recommended size

L

92% match

Based on your height, weight and a Medium in the brand you know. L gives you the relaxed fit you picked.

Add size L to cart

One clear size

The size, how sure we are, and a button that adds it to the cart.

Why stores pick Truesize

Built for how stores really sell.

Size advice is only useful if it matches your sizing. Everything here starts from your catalogue and your numbers.

Your size charts come first

Enter height and weight ranges per size, for a whole category or a single product. We only fall back to our own chart when you have none.

It learns from your returns

Report orders and returns from your server. Products that keep coming back for size get flagged as running small or large.

Speaks your shoppers’ language

Questions and answers are translated, including right-to-left languages, and you choose the default language for the widget.

Looks like your store

Set your colour, corner radius and button text, then place it inline or as a floating button.

Runs only where you allow it

The widget works on the domains you list. Secret keys stay on your server and can be rotated without downtime.

Know whether the advice is working.

Your dashboard compares return rates for shoppers who followed the recommendation against those who picked something else, so the effect shows up in your own numbers.

Share of orders returned (sample data)

Followed the size advice12%

300 orders

Chose another size27%

110 orders

Start free. Pay when it earns its place.

Every plan includes the widget and the dashboard. Move up when you need more recommendations.

Free

Try it on one product page

£0.00

  • 100 size recommendations a month
  • 1 domain
  • Up to 50 products
  • Analytics and return tracking
Start free

Starter

For small shops getting started

£19.00 /month

  • 2,000 size recommendations a month
  • 1 domain
  • Up to 500 products
  • Analytics and return tracking
  • CSV product import
Choose Starter

Growth

For shops that want to cut returns

£49.00 /month

  • 10,000 size recommendations a month
  • 3 domains
  • Up to 5,000 products
  • Analytics and return tracking
  • CSV product import
Choose Growth

Scale

For busy and multi-brand stores

£129.00 /month

  • 50,000 size recommendations a month
  • 10 domains
  • Unlimited products
  • Analytics and return tracking
  • CSV product import
  • Remove Truesize branding
  • Priority support
Choose Scale

Questions, answered.

Can’t find yours? Send us a message.

It combines the shopper’s height and weight, how they like clothes to fit, and optionally a size they already wear in another brand. It checks your size chart first, then our own, and learns from the returns you report.

Any site where you can add a script tag, including Shopify, WooCommerce, Magento and BigCommerce. Products come in through a CSV import or the API.

Most stores finish in an afternoon: add your domain, import your products, paste the snippet on the product page and set your colours.

Yes. Add height and weight ranges for each size, for a whole category or for one product. Your charts are used before ours.

Each time a shopper receives a size. Your plan includes a monthly allowance, you get a warning as you approach it, and paid plans have a small buffer so shoppers are not cut off mid-session.

The widget can run in several languages, including Arabic, and you set the default in your dashboard. Questions and answer options can be translated per language.

Yes. Cancel from the billing page and you keep your plan until the end of the period you have paid for, then move to the free plan.

Talk to a person.

Questions about sizing, a custom store or a bigger plan? Tell us about your catalogue and we will reply within one working day.

[email protected]