ECマスターズ拡張機能

The EC Masters Extension is a convenient tool provided by EC Masters Club, a membership service for Rakuten (Japan's largest online marketplace) shops. This extension offers various features that are compatible with different e-commerce sites. Some of the features include automatic login to RMS, comparing popular products on mobile and desktop, checking the status of various IDs, displaying rankings on product pages, preventing broken links, generating text or image links for easy bookmarking, and more. This extension also supports Yahoo! Shopping, Amazon, au PAY Market, ZOZOTOWN, SHOPLIST, Qoo10, Giftmall, and dShopping.