Browser Extensions & ToolsStatus: completedAugust 15, 2026
Gem Harvester — Autonomous Web Scraper & Data Pipeline
An intelligent Chrome extension built with Plasmo and React for scraping structured web data, extracting table datasets, and automating repetitive browser workflows.
Tech Stack:PlasmoReactTypeScriptAnt DesignDOM Automation
Overview
Gem Harvester is a browser-based automation tool engineered to streamline web scraping and data harvesting. It allows users to visually point-and-click on page elements, extract repetitive card data or tabular structures, and export clean JSON and CSV files.
Key Architecture & Capabilities
- Visual Element Selector: Custom DOM highlighter and XPath/CSS selector generator that identifies repeating patterns automatically.
- Pagination & Infinite Scroll Crawler: Handles multi-page traversal with customizable crawl rate-limits to prevent bot detection.
- Enterprise UI: Built on React 18 and Ant Design within the Plasmo framework.