But if they is any reason, why u need to post your address or private keys on social media, try to hex code it. Or random people will access your mail. You can hex code with this site
www.convertstring.com/EncodeDecode/HexEncode.
You should
never post your private keys anywhere. Those are the secret data that unlocks your bitcoins. If anyone finds them they can use them to steal your bitcoins. Bitcoin addresses on the other hand are harmless and nobody is able to take bitcoins using just an address. At worst they can discover how much bitcoin is in the address but they can't take any of it. Encoding your bitcoin address to hexadecimal will not stop people from finding your address as the same site you linked can be used to decode it back into an address.