Extensions for invaluable.com
4 browser extensions built for invaluable.com. Compare features, permissions, and safety across Chrome, Firefox, and Edge.
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Auction Bid Assistant
Search 7 auction platforms at once, save lots while browsing, export as PDF or CSV. Features curated auction catalogues with searchable lots. Free — no account needed.
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Chrome Web StoreAuctionLens
Research auction lots in seconds: comparable sales, museum references, scholarly sources, and AI-generated analysis.
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Chrome Web StorePhil the Gap – Max Bid Calculator
Calculate your maximum auction bid instantly. Find the gap between price and profit.
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Chrome Web StoreArtCollection - Auction Intelligence
Auction intelligence for collectors. Access artist profiles, comparable sales, and market analysis from lot pages.
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