If you are a blogger or working in IT profession, then you have to work in front of computer for long period of time even at night. one of the disadvantage of Using computer at night is that it cause more strain to your eyes than during day. if you are one like me who uses computer late at night then F.lux will help you to protect your eyes.

F.lux is a software which adjust brightness of your computer by time of day. it makes the color of your computer’s display adapt to the time of day, warm at night and like sunlight during the day.It means that you will not feel the glare in your PC screen when sun goes down.

You can download F.lux from here and it is free. After downloading and installing app it will ask your location to calculate sun set. you can also change the lighting and transition speed. F.lux is available windows, mac, linux, iphone and ipad.