Free Odds Comparison Extension for Line Shopping
Stop switching tabs. OddsGuard overlays real-time prices from 75+ sportsbooks directly on the page you're already on.
See +EV alerts, find better lines, save money — automatically.
Why Pay More for Less?
Stop Paying for Data. Start Betting the Edge.
The days of paying $600 a month for clunky dashboards are over. Open your favorite sportsbook, spot the mathematical edge highlighted right on your screen, and lock in your bet before the line moves.
The Old Way
Paid odds tools & manual line shopping
The OddsGuard Way
Automated, real-time, on your screen
- Free — no subscription, no hidden fees
- Odds overlaid directly on your sportsbook
- +EV alerts highlighted in real time
- Lock in bets before the line moves
- Works silently in the background
You no longer have to frantically refresh tabs or cross-reference screens just to find closing line value. OddsGuard gives you the sharpest insights without the heavy lifting — and without the monthly bill.
See How OddsGuard Works
Our browser extension shows you when better odds are available at other sports providers right on the pricing page. Click through the tabs to see it in action.
Detecting your location…
Detecting your location…
What Bettors Are Saying
Join Thousands of Smarter Bettors
9 five-star reviews from bettors using OddsGuard today.
Never Miss a Bonus Again
Every active promo from every sportsbook — deposit bonuses, free bets, odds boosts — organized in one tab inside OddsGuard. Geo-filtered to your state. Updated in real time.
Consumer Price Protection Tools
OddsGuard provides everything you need to make informed decisions and save time and money.
Real-time Price Comparison
Compare prices across major providers in real-time to find the best value for your selections.
Privacy First
Extension only loads on supported sports platform websites, so you don't have to worry about your data being shared with third parties.
75 Major Providers
Automatically find and compare the best prices across 75 major providers so you don't overpay.
Secure & Anonymous
No registration required. Stay in control and keep your data anonymous.
Works in Background
OddsGuard runs silently in your browser, automatically detecting relevant sites and prices without disrupting your browsing.
Customizable Preferences
Set your minimum savings thresholds for when to show better pricing. Show 👍 icon when the best prices are found.
Geolocated to Your Market
OddsGuard is geolocated to your market, so you only see prices for providers that are available in your region.
Price Converter
Instantly convert between decimal, fractional, and American price formats with a single click.
Compatible with All Major Browsers
Free to use. No registration required.
Stop Leaving Money on the Table
Same Bets. Better Prices. Found Instantly.
The same 4-leg parlay can pay $10,000s more at a different sportsbook. OddsGuard finds the best price across 75 books in real time — replacing tools that charge $200–$600/month.
Best Pricing in Your Region