Address Label - Crypto Address Book & Replacer

Address Label is a Chrome Extension that replaces blockchain addresses (EVM, Bitcoin, Solana) with custom nicknames across the web.

🛡️ Privacy & Security: 100% Local & Safe

Your privacy is our top priority.

• 100% Local Storage: All your data (address labels) is stored strictly within your browser's local storage (chrome.storage.local).
• No External Communication: This extension never sends data to any external server, API, or third-party service.
• No Tracking: We do not track your browsing history or collect any usage analytics.
• Open Source: You can inspect the code to verify that no data ever leaves your machine.

Supported Chains

• EVM (Ethereum, Polygon, BSC, etc.): 0x...
• Bitcoin: bc1..., 1..., 3...
• Solana: Base58 addresses (e.g., 5U1...)

Installation (Developer Mode)

1. Clone or download this repository.
2. Open Chrome and go to chrome://extensions/.
3. Enable Developer mode in the top right.
4. Click Load unpacked.
5. Select the address-label/src directory.

Usage

1. Add a Label:

   • Method A: Click the extension icon to open the manager and add addresses manually.
   • Method B: Select any crypto address (EVM, BTC, SOL) on a web page with your mouse. An "Add Label" popup will appear. Enter a nickname and save.

2. View Labels:

   • The addresses on the page will be replaced by the nickname (e.g., My Main Wallet).
   • Hover over the nickname to see the original address.

3. Edit/Delete:

   • Open the extension popup to edit or delete saved labels.

Structure

• manifest.json: Extension configuration (Manifest V3).
• content.js: Main logic for scanning DOM and replacing text.
• content.css: Styles for the replaced labels and the selection popup.
• popup.html & popup.js: Management UI.