Focuzr por Usuário 14163118 do Firefox

Block time-wasting websites for a selected time and focus on more important things.
Quick and simple way to beat web procrastination.

No complicated timer rules, schedules or preselected blacklists. Just click the page that is distracting you and select how long you want it to be blocked.

If you really can't wait, you can unblock the site by entering a complicated code.