A powerful Chrome extension designed to enhance your Steam Community Market experience with advanced analytics, quick price controls, and automated features.
- Real-time Price Analysis: Get instant insights into market trends, volatility, and price movements
- Spread Analysis: View bid-ask spreads and liquidity metrics
- Volume Tracking: Monitor trading volume and recent activity
- Trend Detection: Identify bullish, bearish, and neutral market trends across different timeframes
- Smart Price Setting: Set buy orders with percentage-based discounts from current sell/request prices
- Quantity Shortcuts: One-click quantity selection (50, 100, 250, 500, 1000)
- Auto-Checkbox: Automatically accept Steam Subscriber Agreement
- Volatility Assessment: Risk level indicators from very low to extreme
- Trading Recommendations: AI-powered suggestions for buying, selling, or holding
- Opportunity Analysis: Evaluate trading potential (Poor to Excellent ratings)
- Historical Data: View price trends over 24h, 7d, and 30d periods
- Download the extension files from this repository
- Open Chrome and navigate to
chrome://extensions/ - Enable "Developer mode" in the top right
- Click "Load unpacked" and select the extension folder
- The extension will be installed and ready to use
The extension will be available on the Microsoft Edge Add-ons, Opera Add-ons in the near future.
- Navigate to any Steam Community Market item page
- View Analytics: The Vapor info panel will automatically appear in the bottom-right corner
- Quick Trading: When placing buy orders, use the Vapor Controls panel for quick price and quantity selection
- Monitor Trends: Check the analytics section for market insights and trading recommendations
- No Additional API Calls: Works entirely with existing Steam page data - no new requests to Steam API
- Real-time Processing: Analyzes market data as you browse
- Lightweight: Minimal performance impact on your browsing experience
- Secure: All processing happens locally in your browser
- Steam Community Market item listings (
steamcommunity.com/market/listings/*) - Buy order dialogs and market interfaces
The extension requires minimal permissions:
activeTab: Access to the current Steam Market tabhost_permissions: Access to Steam Community Market pages only
If you encounter any issues or have suggestions for improvement:
- GitHub Issues: Create an issue on this repository
- Discord: Contact me directly at
@StarLith
The extension is actively maintained and regularly updated with new features and improvements.
This project is licensed under the GNU GENERAL PUBLIC LICENSE V3 - see the LICENSE file for details.
This extension is not affiliated with or endorsed by Valve Corporation or Steam. Use at your own discretion and always follow Steam's Terms of Service.
Made with ❤️ for the Steam trading community