You'll be redirected to Roblox's gift cards page. Tap on Redeem, located at the very top of the page. Enter the empty Code field with your Roblox gift card's code, then tap Redeem to finish.

You can redeem a Roblox gift card by applying the balance to your account or by using it during the checkout process.

We’ve got all the information you’ll need on where and how to buy Robux in 2024, as well as how to redeem these Roblox gift cards. How to Purchase a Roblox Gift Card ...