How CashBackStacks Works
See how our free browser extension layers portal cashback, credit card rewards, and activated offers into one personalized stack — automatically, at thousands of stores.
1
Install the Extension
Free49,811+ Stores50+ PortalsAdd CashBackStacks to Chrome with one click. Free, lightweight, and works instantly on 49,811+ stores via 50+ portals.
- Start for free - no account required
- Works on all major shopping sites and portals
- Lightweight extension - won't slow down your browser
2
Add Your Credit Cards
Optional251+ CardsSelect your credit cards to personalize your stacking strategy. Our database covers 251+ cards to ensure we track your benefits.
- Never miss a bonus category again
- Stack best credit card rates automatically
- Get notified for bonus categories and limited-time offers
- Compare earning rates across all your cards while you shop
3
Sync Your Card-Linked Offers
Optional5 Sources1000s of OffersConnect and sync offers from Amex, Chase, Capital One, Citi, and 5+ other sources to stack personalized card-linked offers.
- Sync offers from all your cards in one place
- Stack matching offers with stores you're browsing
- Never forget to activate an offer again
- Activate thousands of offers with one click
4
Shop with the Best Stack
Max SavingsBrowse normally - CashBackStacks works in the background and shows you your best stack automatically.
- Automatically detects supported stores as you shop
- Calculates your best stack across portals, cards, offers, and gift cards
- Shows your potential earnings before you checkout
- One-click activation to maximize your rewards
5
Track Your Savings
Track EverythingWatch your savings grow.
- Portal cashback typically arrives in 30-90 days
- Credit Card rewards vary and often post with your statement
Frequently Asked Questions
Yes! The Free tier is completely free. You can compare all portals, add 2 cards, and track up to 3 stores. Premium features have a 7-day free trial with no credit card required to start.
After your trial ends, you'll be downgraded to the Free tier unless you subscribe. You won't lose any data - premium features will just be locked until you upgrade.
Absolutely. No long-term contracts, no cancellation fees. Cancel anytime from your account settings and you'll keep access until the end of your billing period.
The answer depends on your spending and shopping habits. Premium users can earn $1000+ per year by catching AI-scored hot deals, syncing card-linked offers, and stacking portal cashback with credit card rewards. The $150/year plan pays for itself quickly.
We accept all major credit cards. Your payment info is securely stored and never touches our servers.
Never. We make money from subscriptions and affiliate commissions when you use portal links. We don't sell your data or show ads.
Ready to Stack Your Cashback?
Install the free browser extension. See your full personalized cashback stack at every store — portals, card rewards, offers, and gift card strategies layered together automatically.