CouInspector Chrome Extension
Version 1.0.1: page observations and input-based scenarios, not official sales data.
Observed page samples
Page prices, reviews and detected delivery labels, not official orders or whole-market coverage.
Server-authoritative access
15 daily Free analyses, verified membership and device binding. Free CSV preview is limited to 5 rows.
Input-based scenarios
Supply actual costs and verified 30-day review changes for estimates. Live monitoring and automated repricing are not connected.
3-Step Offline Developer Installation Guide
Download the cou-inspector.zip file and extract it to a dedicated directory on your computer.
Navigate to chrome://extensions in your Google Chrome browser and toggle [Developer mode] ON in the top right.
Click [Load unpacked] in the top left and select the extracted cou-inspector directory to begin using.
CouInspector vs Legacy Scrapers
Engineered specifically for Coupang's single-catalog catalog and Korean tax regime.
| Capability Dimension | CouInspector Extension | Generic Cross-Border Scrapers |
|---|---|---|
| Item Winner Vendor Detection | Real-time 100% accurate vendor parsing | Displays only original publisher |
| Korea 10% VAT Deducted | Statutory 10% unbundled automatically | Uses raw gross price (overstated profit) |
| Commission +10% Surcharge | Calculates statutory 10% commission VAT | Misses surcharge, leading to monthly losses |
| Rocket Growth Handling Tiers | 4-tier volumetric calculation included | Not supported or inaccurate flat rates |
| Shadow DOM Page Isolation | Clean zero-conflict in-page injection | Breaks site CSS, triggers bot challenges |