CoordCloak 作者: qtChi

CoordCloak is a Firefox extension that overrides your browser's geolocation with any coordinates you choose. Enter them manually, paste a DMS string and watch it auto-convert, or pick from a preset city. Flip a toggle and any site asking "where are you?" gets your answer — not the real one.

No data collected. No accounts. No internet required. Fully open source.

🚀 How It Works

At page load, CoordCloak injects a small script that replaces the browser's built-in navigator.geolocation object with a fake one that returns your chosen coordinates. Any site calling getCurrentPosition() or watchPosition() gets your fake location instead.

Note: This only overrides the JavaScript Geolocation API. It does not mask your IP address. For full anonymity, pair with a VPN.

🎯 Features

• 🌍 Spoof to any coordinate on earth
• 📐 DMS auto-converter — paste and go
• 🏙️ 8 city presets for quick switching
• 💾 Settings saved between browser sessions
• 📡 Broadcasts to all open tabs at once
• 🔒 Zero data collection — everything stays local

📖 How to Use

1. Click the CoordCloak icon in your Firefox toolbar
2. Enter your coordinates one of three ways:
3. Paste a DMS string like 40°34'27.07"N 105°04'57.99"W — it converts automatically
4. Type decimal lat/lng directly into the coordinate fields
5. Click a city preset — New York, London, Tokyo, and more
6. Click Apply Fake Location
7. Reload the tab — that site now sees your fake position

To turn it off, flip the toggle and reload.

🌐 Supported DMS Formats

40°34'27.07"N 105°04'57.99"W
40° 34′ 27.07″ N, 105° 04′ 57.99″ W
40d34m27.07sN 105d04m57.99sW

🏙️ City Presets

| City | Lat | Lng |
|------|-----|-----|
| 🇺🇸 New York | 40.7128 | -74.0060 |
| 🇬🇧 London | 51.5074 | -0.1278 |
| 🇫🇷 Paris | 48.8566 | 2.3522 |
| 🇯🇵 Tokyo | 35.6762 | 139.6503 |
| 🇦🇺 Sydney | -33.8688 | 151.2093 |
| 🇷🇺 Moscow | 55.7558 | 37.6176 |
| 🇧🇷 São Paulo | -23.5505 | -46.6333 |
| 🇸🇬 Singapore | 1.3521 | 103.8198 |

🔓 Open Source

CoordCloak is fully open source — you can view the code, audit it, and contribute on GitHub:

🔗 https://github.com/qtChi/coordcloak

🤝 Want to Contribute?

Found a bug? Have an idea for a new feature? Feel free to:
- Open an issue on GitHub
- Submit a pull request
- Suggest improvements

Ideas we'd love help with:
- Additional city presets
- Custom preset save/name feature
- Chrome/Edge (Manifest V3) port
- UI/UX improvements
- Translations for other languages

🔒 Privacy

CoordCloak stores your chosen coordinates locally in your browser using the standard WebExtensions Storage API. No data is ever transmitted anywhere. There are no analytics, no telemetry, no external calls — just your coordinates, stored locally on your device.

• ❌ No data collection
• ❌ No accounts
• ❌ No tracking
• ❌ No internet required

📄 License

MIT License — free to use, modify, and distribute.