Lightweight Windows desktop widget for tracking cryptocurrency prices. Borderless, draggable, customizable colors & transparency, multi-coin support. Saves position & settings. No install needed.

Settings are stored in %APPDATA%\btc-widget-config.json:
{
"x": 100,
"y": 200,
"alpha": 0.90,
"bg_transparent": false,
"bg_color": "#1e1e2e",
"text_color": "#ffffff",
"price_color": "#ffffff",
"update_interval_ms": 600000,
"coins": ["bitcoin", "ethereum"]
}You can open this file directly from the right-click menu (Open Config Location).
- UI Framework: tkinter (Python standard library)
- API: CoinGecko (free, no API key required)
/search— coin search for the Add dialog/simple/price— live price and 24h change/coins/{id}— coin metadata (name, symbol, icon)
- Icons: CoinGecko CDN (24×24 PNG, rendered via Pillow)
- Packaging: PyInstaller (single-file EXE)
This software was developed with assistance from an AI coding assistant.
- AI Model:
opencode/deepseek-v4-flash-free - Role: Code generation, debugging, and refactoring under human direction
- Human: All design decisions, feature requirements, quality assurance, and final validation were performed by a human developer.