PriceHound 🐕 AI-powered price comparison browser extension. Find cheaper alternatives for any product instantly.

Supported stores: Amazon · Walmart · eBay · Best Buy · Costco · Target · Newegg · Etsy

Setup (2 steps)

1. Load the extension chrome://extensions → Developer mode ON → Load unpacked → select this folder
2. Paste your Groq key Open src/background.js and replace YOUR_GROQ_KEY_HERE with your key from console.groq.com/keys (free, no card).

Then reload the extension in chrome://extensions.

Optional: Live price backend ./setup.sh # installs deps + starts server automatically

or after first run:

./run.sh The backend scrapes real-time Google Shopping prices. The extension works without it (uses AI estimates).

How it works Content script detects product name + price from the DOM Popup sends it to the background service worker Background checks if the local backend is running → uses live prices if yes, Groq LLM if no Results rendered as clickable cards linking to each retailer AI chat assistant floats on top of the product page for Q&A Stack Chrome Extension MV3 (plain JS, no build step) Groq API · Llama 3.3 70B (free tier) Python 3 · http.server · requests · BeautifulSoup4 License Rust rewrite coming... GPL v3 · © Find1more

Built With

• html
• javascript
• python
• rust
• shell