Backpain Killer is a Chrome extension designed to prevent back pain by sending vocal reminders to users to sit properly in their chairs. The program aims to promote good posture habits to reduce the risk of back-related issues that can arise from prolonged sitting. By providing timely reminders, it encourages users to maintain a healthy sitting position throughout their screen time.

This free extension offers a simple yet potentially valuable solution for individuals who spend extended periods sitting at their computers. With its focus on promoting better posture habits, Backpain Killer aims to enhance user comfort and well-being during their online activities.