A Chrome browser extension (Manifest V3) that adds a toolbar button. When clicked, the popup injects a scanner into the active tab (via chrome.scripting.executeScript) that walks visible text nodes and extracts price-like values using regexes covering formats such as $19.99, USD 12.50, CAD 45, €9,99, and £5. The popup lists all found prices sorted highest first with their count and a computed total, and includes a 'Copy to clipboard' button that copies the formatted list plus total. Each scan result is saved to chrome.storage.local keyed by the site's hostname, so reopening the popup on the same site shows the last scan (with a timestamp) until a new scan is run. No backend or server storage is needed.
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