Ucoin Helper

Chrome extension to help with Ucoin website filtering and navigation

Ucoin Helper Ucoin Helper is a lightweight browser extension that enhances the experience of using uCoin.net — a popular platform for managing and browsing coin collections. Originally created for personal use, this extension may also be helpful to other collectors who want faster navigation, easier catalog access, and more powerful filtering on uCoin. ⭐ Key Features 📋 Enhanced Table View Adds catalog numbers directly to the coin list tables Makes it easier to browse, sort, and manage your collection 🎯 Advanced Filtering for Exchange Lists Adds multi-criteria and multi-value filtering You can filter by several countries, years, or other fields simultaneously Built on top of uCoin’s own filtering logic, just more intuitive 🧩 Seamless Native Integration All enhancements are built directly into the existing uCoin interface The extension only augments native functionality — nothing is replaced or overridden 🔐 Privacy and Security Your privacy is fully respected: ✅ No data is collected, transmitted, or stored ✅ No access to your login credentials, cookies, or personal data ✅ All operations run locally in your browser ✅ Only affects pages under ucoin.net Read the full privacy policy here: 🔗 https://github.com/dubilyer/Ucoin-Helper/blob/main/privacy.md ⚙️ Technical Details Developed using Manifest V3 Modifies the DOM of uCoin pages to insert visual enhancements Uses minimal permissions: tabs activeTab scripting storage host_permissions for https://*.ucoin.net/* Tested in modern Chrome-based browsers. 🧪 How to Use Visit ucoin.net The extension automatically enhances the interface: Adds catalog numbers to tables Enables improved filtering tools Works only when relevant content is detected (no UI clutter) 📦 Installation (Developer Mode) To try it locally: Download or clone the repository from GitHub 🔗 https://github.com/dubilyer/Ucoin-Helper?tab=readme-ov-file Open Chrome and navigate to chrome://extensions Enable Developer Mode Click "Load unpacked" Select the folder containing the extension files You’re ready to go! 💡 Open Source This extension is fully open source and licensed under the MIT License Explore the code, suggest improvements, or fork your own version: 🔗 GitHub Repository: https://github.com/dubilyer/Ucoin-Helper 📌 Disclaimer This is a personal helper tool. It is not affiliated with or endorsed by uCoin.net. Use at your own discretion.