To redeem a Roblox Gift Card or Digital Code and convert the balance to Robux: 1. Visit the Redeem link below. 2. Log in with your Roblox username/email and password. 3. Enter the Roblox Gift Card code and click Redeem. 4. The Gift Card amount will be added to your Roblox available credit. 5. Click Back to Redeem button. 6. Click Convert to Robux button and the user's Robux balance will update.