Best Polymarket Chrome Extensions for 2026
Most Polymarket trading happens inside the polymarket.com web UI. The tools that fit naturally there are the ones that overlay extra info instead of asking you to switch tabs. That's where Chrome extensions win.
This is the 2026 shortlist — extensions that earn their place in your toolbar, ranked by community vote on LaunchPoly.
What Chrome extensions actually add
Three useful patterns show up:
- Overlays — extra columns and tooltips on the Polymarket market and trade pages (whale activity, historical odds, liquidity stats)
- Alerts at the browser level — desktop notifications when prices move, no Telegram required
- Shortcuts — keyboard-driven actions for power users (faster order entry, quick links to analytics)
The best Polymarket Chrome extensions
1. Polyprophet — Free
Chrome extension with AI-powered real-time predictions
Enhance your Polymarket experience with AI predictions directly in your browser. Get instant analysis, probability estimates, and trading signals as you browse markets.
2. Polycool — Free
Track and copy smart Polymarket wallets - all in Telegram
Polycool is a Telegram bot that lets you trade prediction markets on Polymarket directly from your phone. It combines mobile-first trading with smart copy trading features and real-time wallet tracking.
Key Features:
One-Click Trading : Buy and sell positions on any Polymarket event with preset amounts ($5-$100) or custom orders
Smart Copy Trading…
3. PolyLayer — Free
Advanced trading terminals
Advanced trading terminals for prediction markets. Trade with leverage. Earn yield on positions and USDC. Deploy automated strategies. Monetize quantitative strategies and create funds. Perform data analysis in-browser. Personalized market discovery. Real-time market intelligence.
4. OVERDOG — Free
Trade Polymarket in Telegram - sports-first UX, smart money analytics, copy trading, stop-losses
Sports-first market discovery - no dead events.
Smart money data for every market: see how much capital from profitable wallets backs each outcome before you trade.
Trade in one tap with orderbook-aware pricing, slippage protection, and zero gas fees. Set stop-losses, take-profits, and limit orders.
Copy top Polymarket traders ranked by Sharpe r…
What to check before installing any extension
Three things to verify, every time:
- Permissions. A Polymarket extension never needs to "read all data on all websites." If it asks for that, decline. The legitimate ones scope permissions to polymarket.com only.
- Open source vs closed. Extensions with a public GitHub repo are easier to trust. Closed-source isn't automatically bad, but the developer should have a public profile and history.
- Recent updates. An extension that hasn't shipped an update in 6+ months is likely abandoned. Polymarket changes its UI regularly and extensions break.
Common gotchas
- Don't install more than 2 or 3. They fight over the same DOM and randomly break each other.
- Disable on incognito for analytics-heavy ones — they read every market page you open.
- Test in a new browser profile first if you're paranoid about a closed-source extension.
Frequently asked
Are Polymarket Chrome extensions safe?The ones with public developer profiles and scoped permissions are. Avoid extensions that ask for "all websites" access — they don't need it.
Will Chrome extensions break the Polymarket UI?Sometimes. Polymarket pushes UI changes weekly. Extensions usually catch up within a few days. If yours stops working, check the developer's Twitter or GitHub for an update.
Can I trade from a Chrome extension?Most don't trade — they overlay info. Trade-execution extensions exist but they need wallet signature access. Read the permission scope carefully before approving.
Browse the full list
The extensions category on LaunchPoly is the live ranked list — refreshed weekly based on votes from traders who actually use them.
