LeechBlock NG

LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

LeechBlock NG is available to install from Firefox Browser Add-ons and for download from this page. It has 104,052 active users The latest version is 1.6.8, and it was published 5 days ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 9 (Only count downloads from Firefox-Stats)

All available versions

You can find the current and older versions of LeechBlock NG here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
Version Download Size Download count Timestamp
1.6.8 XPI · ZIP · Source code 428.67K 0 2025-01-17
1.6.7 Paid users only 427.28K 0 2025-01-10
1.6.6 Paid users only 427.23K 0 2024-10-30
1.6.5 Paid users only 425.61K 1 2024-07-04
1.6.4.1 Paid users only 425.43K 1 2024-05-22
1.6.4 Paid users only 425.47K 1 2024-04-03
1.6.3 Paid users only 418.39K 2 2024-01-25
1.6.2 Paid users only 417.66K 1 2023-12-28
1.6.1 Paid users only 416.30K 1 2023-12-14
1.6 Paid users only 416.33K 2 2023-10-31
1.5.8 Paid users only 416.00K 0 2023-09-20
1.5.7 Paid users only 415.70K 0 2023-07-06
1.5.6 Paid users only 415.72K 0 2023-05-31
1.5.5 Paid users only 415.59K 0 2023-05-02
1.5.4.1 Paid users only 411.89K 0 2023-03-13
1.5.4 Paid users only 411.88K 0 2023-03-06
1.5.3 Paid users only 410.32K 0 2023-02-09
1.5.2.1 Paid users only 410.05K 0 2022-11-28
1.5.1 Paid users only 408.75K 0 2022-08-16
1.5 Paid users only 408.60K 0 2022-08-08
1.4.2 Paid users only 408.38K 0 2022-05-02

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

  1. Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  1. In Firefox browser, go to about:addons to open Add-ons Manager
  2. Click on , then select Install Add-on From File
  3. Select the LeechBlock NG ZIP file from step 1. LeechBlock NG is now installed on your browser.