CRX id
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Description from extension meta
Chrome extension to help with Ucoin website filtering and navigation
Image from store
Description from store
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.