Vinegar

A browser extension that reveals the ultimate parent companies behind products on e-commerce sites, solving the problem of opaque brand ownership. It targets individual consumers who want to make informed purchasing decisions based on corporate ethics. The extension works in real-time as users shop, automatically extracting brand names and querying a registry-backed, community-supported database to display ownership chains, with optional avoid lists and conglomerate flags.

Key features

• Brand ownership lookup on Amazon
• Verified brand and ultimate parent data
• Conglomerate revenue flags
• Avoid lists (up to 3 companies)
• Source links on every claim
• Revenue highlight for collapsed companies
• Multi-platform support (Walmart, Target, etc.)
• Full ownership chain (all companies shown)
• Unlimited avoid lists
• Brand search and history page