How can I change the font and the font size in the chat? You can change the font size this way: Open a chat window with any user Click on the wrench button, that is just above the typing area On the popup window that will open, click the “Font” tab On this tab you can select the font and the size of the letters. Use the “B”, […] Read more ยป Android Brosix Applications Linux Mac Mobile Web client Windows chat settings font font size