The Smartest Way to Stack Cashback
Automatically stack portals, personalized credit card cashback, offers and rewards to maximize your savings.
Link your cards & sync offers to personalize your stack
Install ExtensionToday's Hot Deals
880 deals with exceptional cashback rates
Popular Stores
38,972+ stores with cashback
Stores
Your offers are hiding in different places
We sync them all in a central hub so you never miss a deal.
One place for all card-linked offers
Stop logging into Chase, Amex, Citi, and other offer providers separately
Sync and stack card-linked offers with one click
Card-linked offers add on top of cashback and portal offers
Never miss an offer
Search and see all your offers at a glance in a central hub
Discover hidden savings
Find offers you didn't know you had across all your cards while you shop
Always keep your offers up to date
Automatic sync feature ensures you always have the latest offers
The Complete Cashback Stacking Toolkit
Everything you need to compare portals, match cards, sync offers, and maximize your cashback on every purchase.
Smart Detection & Stacking
Automatically stack the best available cashback rates across thousands of stores while you shop.
Portal Rate Comparison
Compare 44+ cashback portals in real-time. Always get the highest rate available.
Personalized Credit Card Matching
See your best credit card for every store, automatically matched by category bonuses.
Auto-Sync Offers
Connect and sync your personalized Amex, Chase, Capital One, Citi and more. See all your offers in one place.
Savings Calculator
See your exact savings before you buy. Portal + card + offers = total stack.
Hot Deals
Curated daily deals with rates above historical averages (Rated by fire icons) and money-maker deals.
Rate History & Trends
See if today's deal is actually good with historical rate trends and charts.
Deal Alerts
Get notified when your favorite stores or products have rate spikes.
How It Works
Stack cashbacks from shopping portals, credit cards, and offers.
Install the Extension
Free38,972+ Stores44+ PortalsAdd CashBackStacks to Chrome with one click. Free, lightweight, and works instantly on 38,972+ stores via 44+ portals.
- Start for free - no account required
- Works on all major shopping sites and portals
- Lightweight extension - won't slow down your browser
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.
Sync Your Card-Linked Offers
Optional7 Sources1000s of OffersConnect and sync offers from Amex, Chase, Capital One, Citi, and 7+ other sources to stack personalized card-linked offers automatically.
Shop with the Best Stack
Max SavingsBrowse normally - CashBackStacks works in the background and shows you your best stack automatically.
Track Your Savings
Track EverythingWatch your savings grow.
Simple, Transparent Pricing
Start free. Upgrade for power features when you're ready.
- Compare all cashback portals
- Add up to 2 credit cards
- Track 3 stores & 3 products
- View 1-fire hot deals
- Capital One Shopping sync
- PayPal Offers sync
- 7-day rate history