LeechBlock NG
Protect focused work time by limiting distracting websites on a schedule.
What’s included for free?
Free browser extension with up to 30 site-blocking sets and time-based rules. Available for Chrome, Firefox and Edge. It is a focus aid, not parental-control or network-security software.
Provider information ↗Checked 2026-10-09
Before you use it
MPL-2.0 for the official Chrome source. Follow file-level source and notice requirements when distributing modifications.
Provider terms can change. Check current pricing and usage rights before starting a project.