GoKawiilAmazon's search engine has become flooded with gibberish-named knockoff brands in recent years. To make your shopping experience a bit less phony, developer Josh Pigford built Knockoff, a free extension that will clean up your feed by automatically hiding or dimming listings from all those sketchy, mass-produced brands.
Knockoff is available for Firefox, Chrome and all Chromium-based web browsers such as Microsoft Edge, Opera and Brave. It's also available as a Safari extension.
Pigford launched the tool earlier this month, and it's since gone viral, with tens of thousands of downloads. A few days before the launch, Pigford posted on X, "Built a little chrome extension that lets you dim (or hide!) all the crap, mass-produced, fake brands on Amazon." The post garnered 22,000 likes.
Knockoff is now live!
Filter out the knockoff crap brands on Amazon.
Sorry to brands like WNPETHOME, EHEYCIGA, YXYL, LU&MN, JOYIN, TOMY, GODONLIF, YOOJEE, LINGTENG, LANEIGE, VISCOO, BIODANCE, COOFANDY, BALENNZ, TOSY and LUENX.https://t.co/9mLk0EAsfG https://t.co/K07lMkepOW — Josh Pigford (@Shpigford) July 7, 2026
It works pretty simply. Once installed, any products from fake brands, dropshippers or otherwise suspicious vendors are marked and grayed out, highlighting the more reputable brands you might actually know. There's also an option to automatically hide the fake brands so you don't even have to see them at all.
In an interview with 404 Media, Pigford says that Knockoff is built on prior extensions that aim to do this, such as AmazonBrandFilter and Amazon Brand Detector. The extension, which runs locally, doesn't require an account, doesn't send data to any company servers and doesn't cost anything. It's also open-source (as of version 0.7.2), and you can find the source code on GitHub.
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