This tiny chrome extension can increase your productivity, if you cant help yourself from wasting too much time on Facebook

Unzip this repository after downloading it from here.

Go to chrome://extensions/ in your browser url

Enable developer option by clicking on toggle button on top right corner and unpack unzipped folder like below

Now go to browser and open https://www.facebook.com/

If extension is installed and activated correctly you should see below screen instead of facebook

Now go and do something useful in your life instead of wasting time on facebook