Before knowing how to turn it on or off, readers unaware of this facility should know what safe chat means and how it works for the players when they enable or disable it. Safe chat is a feature ...

For this reason, Mojang adds a Safe chat feature to protect minor gamers. While setting this is optional, you can disable it if you're not 13 years old or below.

Roblox's Adam Miller promised, in the aforementioned presentation, that this will be a "safe voice chat." The game's developers have already noted that safety is a key concern here.