Open a store — Couponuts checks for codes and shows them in a small window in the corner. Copy one, paste it at checkout. No sign-up, no account.
Add to Chrome — freeVisit a shop. If we have codes for it, a small window opens at the top right.
Copy a code. The page reloads through our partner link; the price you pay doesn't change.
Tap the bell on a shop to get a notification when it gets new codes.