Knockoff - Amazon Brand Filter by Ordinary Systems
Filters pseudo-brand junk out of Amazon. Buy from real, established brands.
Available on Firefox for Android™Available on Firefox for Android™
Scan the QR code to open this extension in Firefox for Android
Extension Metadata
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About this extension
Amazon is flooded with trademark-squat "brands": random strings like SZHLUX, HORUSDY, and LATTOOK, registered at the USPTO purely to unlock Amazon Brand Registry. They sell commodity goods with no company, no warranty, and no reputation behind them.
Knockoff appraises every listing's brand right in your search results and hides, dims, or labels the junk, so what's left is brands with a reputation to lose.
HOW IT WORKS
• Every brand is checked against a curated register of ~5,500 established brands, refreshed daily.
• Unknown names are scored on the linguistic signature of pseudo-brands: all-caps squat-length strings, vanishing vowels, unpronounceable consonant runs.
• Your allowlist and blocklist override everything.
FEATURES
• Hide, dim, or label flagged listings, with a one-click reveal.
• Optionally hide Amazon's paid "Sponsored" listings too (off by default).
• Three filter levels: Relaxed, Standard, Strict.
• Trust or block any brand in one click, right from the results.
• One-click misclassification reporting that improves the shared lists for everyone.
PRIVATE BY DESIGN
Everything runs locally in your browser. No accounts, no analytics, no tracking. The only network request is a daily brand-list refresh. Reports are opt-in and anonymous.
Free and fair source (FSL-1.1-MIT). Works on 23 Amazon marketplaces worldwide.
Knockoff appraises every listing's brand right in your search results and hides, dims, or labels the junk, so what's left is brands with a reputation to lose.
HOW IT WORKS
• Every brand is checked against a curated register of ~5,500 established brands, refreshed daily.
• Unknown names are scored on the linguistic signature of pseudo-brands: all-caps squat-length strings, vanishing vowels, unpronounceable consonant runs.
• Your allowlist and blocklist override everything.
FEATURES
• Hide, dim, or label flagged listings, with a one-click reveal.
• Optionally hide Amazon's paid "Sponsored" listings too (off by default).
• Three filter levels: Relaxed, Standard, Strict.
• Trust or block any brand in one click, right from the results.
• One-click misclassification reporting that improves the shared lists for everyone.
PRIVATE BY DESIGN
Everything runs locally in your browser. No accounts, no analytics, no tracking. The only network request is a daily brand-list refresh. Reports are opt-in and anonymous.
Free and fair source (FSL-1.1-MIT). Works on 23 Amazon marketplaces worldwide.
Rated 4.7 by 19 reviewers
Permissions and data
Required permissions:
- Access your data for www.amazon.com
- Access your data for www.amazon.ca
- Access your data for www.amazon.com.mx
- Access your data for www.amazon.com.br
- Access your data for www.amazon.co.uk
- Access your data for www.amazon.ie
- Access your data for www.amazon.de
- Access your data for www.amazon.fr
- Access your data for www.amazon.it
- Access your data for www.amazon.es
- Access your data for www.amazon.nl
- Access your data for www.amazon.se
- Access your data for www.amazon.pl
- Access your data for www.amazon.com.be
- Access your data for www.amazon.com.tr
- Access your data for www.amazon.ae
- Access your data for www.amazon.sa
- Access your data for www.amazon.eg
- Access your data for www.amazon.co.za
- Access your data for www.amazon.in
- Access your data for www.amazon.co.jp
- Access your data for www.amazon.sg
- Access your data for www.amazon.com.au
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.5.0
- Size
- 97.73 KB
- Last updated
- 6 hours ago (Jul 11, 2026)
- Related Categories
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection