Install WeHaveIt from the Chrome Web Store. Pin it from the puzzle-piece menu so the icon stays visible.
Open a product page and click We have this on the bar, or click the extension and choose Save this page, or right-click the page and choose WeHaveIt: I already bought this.
It only appears on product pages, not search results or carts. Reload the page. If the shop is uncommon, use Save this page — Chrome will ask for permission for that site.
Remove items from the popup list, or remove the extension in chrome://extensions. That deletes the local list from this browser.
Install the extension, then buy Pro on this website with Paddle (SGD 15/month). After payment, keep this Chrome profile open on the success page so the extension can unlock unlimited items. If it does not, open the extension popup, choose I already paid, and paste the transaction id from the Paddle receipt (it starts with txn_).
Use the customer portal or receipt email Paddle sends after you pay. Cancelling stops future charges. This version does not automatically turn Pro off in the extension when a subscription ends.
Use the support option on the Chrome Web Store listing. Include the shop URL and a screenshot if something failed.