CardCompare Browser Extension
Never miss out on rewards again. Get real-time card recommendations while you shop online.
Shopping at Amazon.com
Category: Online Shopping
Earn 3x points on online shopping
2 other cards in wallet earn less
What You'll Get
Smart Merchant Detection
Automatically detects the merchant you're shopping at and identifies the spending category.
Best Card Suggestion
Instantly shows which card in your wallet earns the most rewards at the current merchant.
Rewards Preview
See estimated rewards before checkout — know exactly how many points or cashback you'll earn.
Quick Wallet Access
View your full wallet, compare cards, and switch recommendations without leaving the page.
Be the First to Know
Join the waitlist and get early access when we launch.
Frequently Asked Questions
Which browsers will be supported?
We're launching with Chrome first, followed by Firefox and Edge.
Is the extension free?
Yes! The extension will be completely free, just like CardCompare.
Will it have access to my financial data?
No. The extension works with your CardCompare wallet data stored locally in your browser. We never access bank accounts or card numbers.
When will it launch?
We're targeting a launch in the coming months. Join the waitlist to get notified!