Personalised Sizing · Powered by AI

Find your perfect fit.

Step into your personal fitting room. SizeGuide uses AI to recommend your exact size on any clothing website — like autofill, but for sizing.

Be first to access. No spam, ever.

You're on the list.

We'll be in touch when SizeGuide is ready for you.
Discover more
30%
of online orders
returned for sizing
$500bn
lost globally each year
to fashion returns
1 in 3
shoppers abandon
carts over size doubt

The Process

Three steps to
shopping confidence

01
Enter Your Measurements

Provide your measurements once. SizeGuide builds your personal sizing profile — securely stored, always yours.

02
Browse Anywhere

Shop your favourite clothing websites as normal. Our browser extension works quietly in the background across every retailer.

03
Buy with Confidence

Receive your perfect size recommendation — tailored to that specific brand, style, and cut. No more guessing.

Coming Soon

Your virtual
dressing room

We're building something extraordinary. Using your measurements, SizeGuide will generate a realistic AI model of your exact frame — so you can see precisely how any garment will look on you, before you buy.

Family & Friends Profiles

Shop for the people
you love

Finding the perfect gift is hard enough without worrying about whether it'll fit. SizeGuide lets you create sizing profiles for the people closest to you — so every gift lands perfectly.

Send a sizing link. Share a simple link with a friend or family member. They fill in their measurements privately — you never need to ask awkward questions.

Switch profiles instantly. Toggle between your own profile and theirs while you shop. SizeGuide recommends the right size for whoever you're buying for.

Give with confidence. Birthdays, Christmas, anniversaries — never return a gift because of sizing again.

Active Profile
Sarah — Partner
Profile complete · Size recommendations ready
Profile
James — Brother
Invite sent · Awaiting measurements
Profile
Mum
Profile complete · Size recommendations ready

Why SizeGuide

Built for how
real people shop

Works everywhere

One profile. Every retailer. No more brand-by-brand size charts or hoping for the best.

Truly personalised

Not just height and weight. SizeGuide understands your body proportions and fit preferences.

Fewer returns

Better for your wardrobe. Better for the environment. Better for the planet.

Private by design

Your measurements are yours. We never sell your data or share it with retailers.

Be first in the fitting room

Join the waitlist

SizeGuide is coming soon. Join the waitlist for early access, founding member perks, and a first look at the virtual dressing room.

No spam. Unsubscribe any time.

You're on the list.

We'll be in touch when SizeGuide is ready for you.