
Online shopping is convenient, fast, and full of deals—if you know how to find and use them. One of the easiest ways to cut costs is by applying a coupon code (also called promo code or discount code) at checkout. Yet many people still miss out on savings simply because they’re unsure how these codes work.
This guide will walk you through what coupon codes are, where to find them, and how to use them—so the next time you shop online, you don’t pay more than you should.
What Is a Coupon Code?
A coupon code is a short combination of letters and numbers (like SAVE20
or WELCOME10
) that you enter during checkout to unlock a discount. Depending on the store, coupon codes may give you:
- A percentage off (e.g., 20% off your order)
- A fixed dollar amount off (e.g., $15 off purchases over $100)
- Free shipping
- A free gift with your order
Retailers use these codes to attract customers, reward loyalty, and promote special events.
Where to Find Coupon Codes
Here are the most reliable places to grab working coupon codes:
- Coupon websites like SwiftCoupon
- Retailer newsletters
- Many stores send exclusive discount codes to subscribers.
- Social media and influencer promos
- Brands often give unique promo codes to their ambassadors.
- Cart pop-ups or first-time visitor offers
- Look for messages like “Sign up and get 10% off” when visiting a site for the first time.
Step-by-Step: How to Apply a Coupon Code
Using a coupon code is simple once you know where to enter it. Here’s the process:
- Find your code
Copy the code you want to use (for example, from SwiftCoupon). - Add items to your cart
Shop as usual and proceed to checkout. - Locate the promo code box
Look for fields labeled “Promo Code,” “Discount Code,” or “Coupon Code.” - Paste your code
Enter the code exactly as shown (they’re case-sensitive). - Apply and confirm
Click “Apply” or “Submit.” The discount should reflect immediately before payment.
Why Didn’t My Coupon Code Work?
Sometimes, a code doesn’t apply. Common reasons include:
- Expiration – Codes often have a limited time frame.
- Minimum spend requirement – Example: $50 minimum purchase.
- First-order only – Some codes work just for new customers.
- Product exclusions – Big brands may exclude popular items or sale categories.
Pro tip: If one code doesn’t work, try another. At SwiftCoupon, we list multiple verified options so you always have a backup.
Best Times to Use Coupon Codes
While you can save year-round, some periods are coupon goldmines:
- Black Friday & Cyber Monday – Huge sitewide discounts.
- Back to School – Deals on electronics, clothing, and supplies.
- Holiday Season (Nov–Dec) – Gifts, free shipping, bundle codes.
- New Year & Summer Sales – Seasonal clearance with bonus coupons.
We keep a dedicated section of seasonal coupon deals updated so you never miss out.
Smart Tips to Maximize Savings
Stack coupons where possible: Some retailers let you use multiple codes.
Combine with cashback: Use cashback apps along with coupon codes.
Compare codes: A free shipping code might not be as valuable as 20% off.
Check expiration dates: Always grab fresh, verified codes from SwiftCoupon.
Final Thoughts
Coupon codes are one of the easiest ways to save money when shopping online. By knowing where to find them and how to apply them correctly, you can turn every checkout into a win.
At SwiftCoupon, we do the work for you: collecting, testing, and sharing the latest verified discount codes across top brands. Before your next purchase, grab a working coupon and watch the savings add up.
Start saving today with our latest verified coupons