"# translation-extension"

translation-extension/ ├─ background.js // Handles context menu and messaging ├─ content.js // Processes selected text ├─ translationService.js // Pure JS translation service ├─ manifest.json // Extension configuration ├─ icons/ │ └─ icon.png ├─ styles/ │ └─ tooltip.css // Optional for future tooltip display ├─ assets/ │ └─ dictionary.json // Simple translation data (you can extend later)

Install & Test

Save files in a directory (translation-extension).

Open chrome://extensions ➔ Load unpacked ➔ Choose directory.