Butter - Find Your Perfect Fit

Stop guessing your size. Butter is a Chrome extension that tells you exactly what size to buy while you shop online. When you open a product page, Butter reads the brand’s size chart, compares it to your body measurements, and recommends your best fit instantly. No more: - Ordering two sizes - Checking confusing size charts - Returning clothes that don’t fit How it Works: - Enter your measurements once - Shop like normal - Click Butter to get your best size Over time, Butter learns what fits you across brands — so your recommendations get smarter every time.