A citrus juicer is set forth including a deformable container forming an extracting chamber to receive at least one portion of citrus fruit, and having an opening for introducing the citrus fruit; a frame forming a socket to receive the deformable container; a dividing ridge having a cross-section with a tip oriented towards the extracting chamber, and the dividing ridge being arranged to divide the citrus fruit when the citrus fruit is pressed against the tip thereof; a pressing system to exert pressure on the extracting chamber and against the socket. A method for extracting juice from citrus fruit is also disclosed.