Free sizing tool · early access
Different brands.
Same you.
True Size makes brand sizing make sense. Start with your measurements—or one thing that already fits—and get a clearer place to begin.
Free-user measurements are used only for your session and are not retained.
Your cross-brand card
Same body.
Different labels.
ZARA
tops
GAP
tops
SHEIN
tops
A size is just a starting point—not a score.
Fit can vary by style and fabric. We’ll flag close calls, too.
True Size
same you. a brighter fit.
Made to save, share, and remind the internet that labels are wildly inconsistent.
Try the Phase 1 preview
Make your size card in a minute.
Start with measurements or a fit you already love. This is an illustrative preview using a small example dataset—not a final sizing recommendation.
Your measurements stay in this browser session only.
Nothing is saved to an account, local storage, a URL, or our database. Style and fabric can change fit, even within one brand.
Size card calculator
Different brands. Same you.
Find your starting point
A little less “will this fit?”
Tell us what you know.
Use measurements with a quick guide, or start from a brand and size that feels good on you already.
Compare by category.
Tops, dresses, pants, and jeans each get their own recommendation.
Shop with context.
See close calls, plus petite, tall, and extended ranges when a brand offers them.
Help shape the launch
Make online shopping feel more like you.
Join the early-access list. You’ll be first to try the free tool and help us prioritize the brands you actually shop.