Price Tracker

Track product prices across e-commerce platforms, get alerts when prices drop, and view price history trends.

Precise Tracking · Easy Savings A lightweight Chrome browser extension that supports price monitoring for JD.com, Taobao, Tmall, Amazon, eBay, and products on any website. Paste a link to start tracking, get instant notifications when prices drop, and view 180-day historical trends at a glance. Features Multi-Platform Price Tracking Native support for JD.com, Taobao, Tmall, Amazon (all global sites), and eBay Supports any website through the "Select Price Element" feature — simply click the price number on a product page to complete binding Automatically identifies platforms and intelligently normalizes links for deduplication 180-Day Historical Price Trend Chart Automatically records up to 500 price data points per product, covering 180 days of history ECharts-based visualization line chart clearly displays price fluctuation trends Helps judge the best time to buy and avoid buying at peak prices Instant Price Drop Alerts Scheduled background checks (configurable at 3 / 6 / 12 / 24 hours) Sends a system notification immediately upon detecting a price drop, showing the product name and price change The sidebar statistics bar displays the number of discounted products in real time 2:8 Split-Screen Sidebar Experience Displays the tracking list in the browser sidebar; click a product card to open the details page in the main window Seamless collaboration between sidebar and main window — browse and view price trends at the same time The portal page provides quick platform entry points and promotional activity information Intelligent Price Retrieval Engine Three-tier price retrieval channel: direct reading from the main window → background tab → server-side snapshot parsing Ensures retrieval of the actual final price, sharing user cookies / login state Supports user-selected CSS selectors for precise targeting of price elements Privacy First All data (product list, price history, settings) is stored only in local chrome.storage.local Does not collect or upload any user browsing data or personal information Price checks are completed through real tab rendering, without disguising requests