Can I transfer my Google Opinion Rewards earnings to PayPal?

No, it is not possible to directly transfer Google Opinion Rewards earnings to PayPal. Google Opinion Rewards earnings are received in the form of Google Play credit if you're an Android user or transferred as a payment to your linked account if you're an iPhone user. On Android, the credit can be used for purchasing apps, books, movies, and other digital content on the Google Play Store. On iOS, the rewards can be credited to your attached PayPal account upon completing a survey; however, transferring existing Google Play credits or earnings from an Android device to a PayPal account is not supported by the service. To utilize these earnings, one must spend them within the Google ecosystem or look for alternative methods that adhere to Google's terms of service if they wish to convert them into cash or other forms of currency.