PolySearch – Multi-Language Search

PolySearch is a lightweight Chrome extension that enhances Google Search by adding a button beside the search bar. It allows you to quickly re-run your current query in one of your three favorite languages using Google’s lr=lang_<CODE> parameter.

Features

• 🌐 Adds a button next to Google’s search input on supported domains (www.google.com, www.google.co.jp, www.google.es).
• ⭐ Save up to three favorite languages for quick access.
• 🔄 Re-runs the current search with &lr=lang_<CODE> to filter results by language.
• 🔒 Minimal permissions: only the storage permission is needed to remember your language choices.

Installation

1. Download or clone this repository to your local machine.
2. Open Chrome and navigate to chrome://extensions/.
3. Enable Developer mode in the top-right corner.
4. Click Load unpacked and select the PolySearch folder.
5. Ensure the extension is enabled; it will automatically inject the UI on supported Google Search pages.

Usage

1. Click on the Options link under the PolySearch extension listing, or visit chrome-extension://<EXTENSION_ID>/options.html.
2. Select your three favorite languages from the dropdown menus and click Save.
3. Go to a supported Google Search page and enter your query.
4. Click the 🌐 button next to the search box and choose a language. The page will reload with results filtered in that language.

Supported Language Codes

Code	Language
en	English
ja	Japanese
es	Spanish
fr	French
de	German
zh-CN	Chinese (Simplified)
ru	Russian
pt	Portuguese
it	Italian
ko	Korean
ar	Arabic

Permissions

• storage: Used to save and sync your selected favorite languages across devices where you’re signed into Chrome.
• No host permissions are required in the minimal build since the extension operates entirely by manipulating the current page’s URL.

File Structure

PolySearch/
├─ manifest.json      # Extension metadata and permissions
├─ background.js      # Sets defaults on installation
├─ content.js         # Injects the button and handles language selection
├─ styles.css         # Dropdown hover styling
├─ options.html       # UI for selecting favorites
└─ options.js         # Saves and restores favorites via chrome.storage

Contributing

Contributions, issues, and feature requests are welcome! Feel free to:

• Open an issue in this repository for bugs or enhancement ideas.
• Fork the project and submit a pull request with your improvements.

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Enjoy PolySearch!