Cashbackstacks

Maximize your cashback, airline miles, and credit card rewards while shopping at over 48,000 stores.

CashBackStacks automatically layers portal cashback, credit card rewards, card-linked offers, and gift card discounts into one personalized stack—so you always know the best combination before you buy.

🛍️ ON-PAGE SHOPPING WIDGET
A lightweight widget appears on supported stores to show your full cashback stack: the best portal, your optimal credit card, activated offers, and gift card savings—all in one glance.

📊 COMPARE 50+ SHOPPING PORTALS
Instantly compare cashback rates from 50+ portals including Rakuten, TopCashback, Swagbucks, ShopBack, and more. See which portal pays the most for any store—updated in real time while you shop.

✈️ EARN AIRLINE MILES & TRAVEL POINTS
Track rewards from airline and travel shopping portals including Delta SkyMiles, United MileagePlus, American AAdvantage, and more. Never miss an opportunity to earn miles on everyday purchases.

💳 YOUR CARDS, YOUR REWARDS
Add your credit cards to see personalized category bonuses at every store. CashBackStacks highlights your best card for each purchase so you always know which card to pull out.

🔗 SYNC & ACTIVATE CARD-LINKED OFFERS
Sync offers from Amex, Chase, Capital One, PayPal, and other card-linked offer providers. Search all your offers in one place, activate them with one click, and stack them with portal cashback for maximum savings.

🎁 GIFT CARD STACKING
Compare discounted gift cards from 14+ providers across 4,000+ brands. See exactly how much extra you save by buying a gift card before checking out—automatically factored into your stack total.

🔥 AI-SCORED DEAL FEED
Browse today's hottest cashback deals scored by machine learning. Filter by heat level—Warm, Hot, or Blazing—and spot money-maker deals, all-time highs, and rate spikes before they expire.

🔍 SEARCH ENGINE CASHBACK BADGES
See cashback rates directly in Google, Bing, and DuckDuckGo search results. Know which stores offer cashback before you even click.

📈 RATE HISTORY & TRENDS
View historical rate charts and sparklines to see if today's offer is a good deal or if you should wait. Track rate trends over time so you never settle for a mediocre rate.

🛒 PRICE TRACKING & ALERTS
Track product prices from popular retailers. Set price drop alerts and get notified when items hit your target price.

🔔 WATCHLIST WITH ALERTS
Save your favorite stores and products to a watchlist. Receive alerts when cashback rates increase or prices drop—right in the extension and via email.

🔒 PRIVACY-FIRST
Your data stays in your browser. Synced offers, saved cards, and watchlists are stored locally—not on external servers.

See additional details and learn more at https://cashbackstacks.com