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GradeGuard

A browser extension that grades Amazon reviews honestly — fake-review detection computed in your own browser.

Local analysis. Reviews are collected and scored inside your browser, in your own Amazon session. The extension shows a trust grade (A–F) and a reviewer-only rating next to Amazon's own.
Community grades, only with your consent. A first-run screen asks before anything is shared. Enabled, tiny anonymous grade records sync so products anyone already analyzed show instantly.
Prefer fully local? Decline (or never choose) and the extension makes no server contact at all — verifiable in the open source.

Source code on GitHub · Privacy policy · Chrome Web Store listing: coming soon

Not affiliated with, endorsed by, or sponsored by Amazon.