Medium potentialMedium license · UnknownScore 9/10

Knockoff

Filter out Amazon knockoffs

1,175JavaScriptBuild: 4-6 daysShpigford/knockoff

A browser extension that automatically detects and hides counterfeit or low‑quality brands on Amazon, so you only see reputable products.

Tech stack

Chrome Extension (MV3) + Cloudflare Workers for reporting + Vercel for landing page + Stripe for paid tiers

BYOK model

Not required

Freemium model

Free users get basic filtering with default lists; Pro users get custom allow/block lists, advanced filtering levels, and reporting analytics.

Deployment complexity

Low — The extension runs entirely client‑side and can be distributed via the Chrome Web Store.

SEO keywords
Amazon brand filterremove counterfeit Amazon listingsfilter Amazon knockoffsAmazon brand checkerAmazon counterfeit filter
Why it qualifies
  • High star count indicates user interest
  • Clear pain point for high‑value shoppers
  • No direct paid competitor
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