The Garena Free Fire Redeem Codes are of 12 characters, sometimes containing numbers and the English alphabet. It is available for download on both the Google Play store as well as Apple App Store.
Free Fire games usually require items such as guns, costumes, weapons, etc., to complete the mission. For this, players have to spend in-game diamonds. But if you want to save your diamonds, then you can use the Redeem Codes issued daily.