Browser Extension · Chrome

Stop overpaying before you checkout.

Overpaying for something on Amazon? The DUPED. extension drops a button on the page that finds smarter, cheaper alternatives — so you pay for the product, not the brand name.

Add to Chrome — Free
No account · No tracking · Free forever
Direct download link
01

Browse Amazon

Shop like you normally would. Land on any product page.

02

Spot the badge

A "Find cheaper dupes" button appears in the corner — only when dupes are actually available.

03

See the steals

Click it for 3 ranked alternatives with prices, star ratings, and the honest catch on each.

How to install

  1. Download the extension (button above) and unzip the folder.
  2. Open Chrome and go to chrome://extensions
  3. Turn on Developer mode (top-right toggle).
  4. Click Load unpacked and select the unzipped duped-extension folder.
  5. Done — open any Amazon product and look for the badge.

Chrome Web Store listing coming soon — until then, the load-unpacked method above works on any Chromium browser.