efitter | Seamless online shopping

Shop confidently with efitter. Discover your size every time you shop at popular UK retailers online and reduce your need to return clothes that don't fit.

Shopping online should be easy and worry-free. With efitter, you can say goodbye to guessing games and hello to a perfect fit. Our Chrome extension predicts your size when shopping at your favourite brands like ZARA, H&M, Mango, ASOS, Adidas, and more.

🛍️ SEAMLESS SHOPPING

Add efitter to Chrome in seconds and shop as usual. Our tool automatically launches to offer sizing predictions with your favourite retailers in real-time. Use our Style Guru feature to get inspiration about how to build your wardrobe.

📏 SMART SIZE PREDICTIONS

efitter assesses your past purchases and current product choices to recommend the best size for you. Make sure your past orders are sent to your Gmail account (you can forward any receipts from other email addresses).

👚 PRODUCT INSIGHTS

Learn more about the materials and fit of products as you shop, ensuring you are informed about which products are best for you!


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By installing the extension, you agree to efitter’s Terms and Conditions (https://www.efitter.com/terms-of-use) and acknowledge that you have read efitter's Privacy Policy (https://www.efitter.com/privacy-policy).