Deep Compare

AI-powered comparison research assistant for Chrome. Turn your open tabs into structured comparison reports in seconds.

What it does

1. Open a few pages you want to compare (products, services, articles, jobs...)
2. Click the extension icon and select the tabs
3. AI generates a comprehensive comparison report in the side panel

Features

• Cross-page comparison — AI extracts and compares across 5-8 dimensions
• Gap analysis — Red/yellow/green completeness check tells you what's missing
• Source tracking — Every claim links to its source, contradictions are flagged
• Iterative research — Open new pages, the extension detects them and offers to update
• Follow-up Q&A — Ask questions about the report, AI answers with full context

Privacy

All data stays on your device. No servers, no tracking, no data collection. You bring your own DeepSeek API key.

Install

1. Clone or download this repo
2. Open Chrome → chrome://extensions/ → Enable "Developer mode"
3. Click "Load unpacked" → Select the deep-compare folder
4. Get a DeepSeek API key
5. Click the extension icon → Settings → Paste your API key

Tech Stack

Vanilla JS + HTML + CSS, zero dependencies. Chrome Extension Manifest V3.

License

MIT