Converting a Google Play card to cash is an option that some people consider. However, it's important to note that in many cases, the official channels do not support such direct conversions. Google Play cards are designed to be used for purchasing apps, games, movies, music, and other digital content on the Google Play platform.

There are risks associated with attempting to convert Google Play cards to cash through unofficial means. These methods might involve dealing with unregulated or even fraudulent platforms. It could lead to losing the value of the card if the transaction goes wrong, or even facing security threats such as identity theft or financial fraud.
In general, it's advisable to use Google Play cards for their intended purpose within the Google Play ecosystem. This ensures a legitimate and safe experience. If you truly need cash, it's better to explore more appropriate and legal ways to earn or obtain it rather than trying to convert a Google Play card, which is likely to be a more reliable and secure option in the long run.