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Best Productivity ResourcesBy Shushant LakhyaniVerified creator

Browser Extension

LeechBlock NG

A free, open-source browser extension that blocks time-wasting sites on your schedule.

Visit LeechBlock NG4.5

  • Rating

    4.5 / 5

  • Pricing

    Free

  • Difficulty

    Beginner

  • Works on

    Chrome, Firefox

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What is LeechBlock NG?

LeechBlock NG is a free browser extension that blocks the websites that eat your time. Group sites into up to 30 block sets, each with its own rules: block them during fixed hours, allow only a few minutes per hour, or lock them down straight away for a set time. It runs in Firefox, Chrome, Edge and other Chromium browsers such as Brave, Opera and Vivaldi.

Pros: what LeechBlock NG does well

  • Free and open source (MPL-2.0)
  • Schedules, hourly time limits and instant lockdown
  • Works in Firefox, Chrome, Edge and other Chromium browsers

Cons: where it falls short

  • Blocks websites only, not desktop or phone apps
  • Can be removed like any extension, so it still needs some self-control

Who LeechBlock NG is for

Anyone who loses hours to a handful of websites and wants a free blocker in the browser they already use.

Who can skip it

People whose distractions are phone apps or desktop programs rather than websites.

LeechBlock NG alternatives

Not sold on LeechBlock NG? These do a similar job, and each card says what it has in common.

All Distraction Blocking resources

SelfControl

Focus: mac. Shares website blocker and focus with LeechBlock NG. A Mac app, not a browser extension. Adds macOS. Same 4.5 rating.

Mac AppFreemacOS
4.5Visit

uBlock Origin

Focus: ad blocker, content blocker and privacy. Shares open source with LeechBlock NG. Rated 4.8 (LeechBlock NG: 4.5).

Browser ExtensionFreeFirefox, Chrome
4.8Visit

Unhook

Focus: youtube, distraction blocker and recommendations. Shares focus with LeechBlock NG. Rated 4.7 (LeechBlock NG: 4.5).

Browser ExtensionFreeChrome, Firefox
4.7Visit

AdGuard Home

Focus: ad blocker, dns and privacy. Shares open source with LeechBlock NG. Adds Linux and macOS. Rated 4.7 (LeechBlock NG: 4.5).

OtherFreeLinux, macOS
4.7Visit

Pi-hole

Focus: ad blocker, dns and privacy. Shares open source with LeechBlock NG. A web app, not a browser extension. Adds Linux and Web. Rated 4.7 (LeechBlock NG: 4.5).

Web AppFreeLinux, Web
4.7Visit

Free alternatives to LeechBlock NG

Want to spend nothing? These free picks cover similar ground.

Dark Reader

Focus: dark mode and eye strain. Shares browser extension and open source with LeechBlock NG. Adds Safari. Rated 4.6 (LeechBlock NG: 4.5).

Browser ExtensionFreeChrome, Firefox
4.6Visit

Vimium

Focus: keyboard shortcuts, vim and navigation. Shares browser extension and open source with LeechBlock NG. Rated 4.6 (LeechBlock NG: 4.5).

Browser ExtensionFreeChrome, Firefox
4.6Visit

Deep Questions Podcast

Focus: podcast and career. Shares focus with LeechBlock NG. A podcast, not a browser extension. Adds Web, iOS and Android. Same 4.5 rating.

PodcastFreeWeb, iOS
4.5Visit

SponsorBlock

Focus: youtube, skip sponsors and video. Shares open source with LeechBlock NG. Adds Safari. Rated 4.7 (LeechBlock NG: 4.5).

Browser ExtensionFreeChrome, Firefox
4.7Visit
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