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LeechBlock NG version history - 25 versions

LeechBlock NG by James Anderson

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LeechBlock NG version history - 25 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 1.7.1

    Released 19 Oct 2025 - 434.03 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.7.1 (28 Sep 2025)
    - Added option to block pages only in active tabs.
    - Added option to block about:profiles (Firefox).
    - Added timestamp suffix to export filename.
    - Fixed issue with unicode characters in URL.
    - Bug fixes.

    Source code released under Mozilla Public Licence 2.0

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 1.7

    Released 4 Jun 2025 - 433.76 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.7 (04 Jun 2025)
    - Added blocking page with password access.
    - Added support for custom blocking/delaying pages.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.9

    Released 2 Apr 2025 - 422.83 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.9 (31 Mar 2025)
    - Added option to check for keywords only in page title.
    - Reduced required permissions (downloads no longer needed; history optional).

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.8.2

    Released 2 Feb 2025 - 422.67 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.8.2 (26 Jan 2025)
    - Fixed issue with counting time on active tab (Android).
    - Fixed issue with export/import of multiline strings.
    - Closed some escape hatches.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.8

    Released 9 Jan 2025 - 418.62 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.8 (09 Jan 2024)
    - Added option for custom style (CSS) for blocking/delaying page.
    - Bug fixes.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.7

    Released 22 Dec 2024 - 417.26 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.7 (22 Dec 2024)
    - Added support for keyboard shortcuts.
    - Bug fixes and under-the-hood improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.6

    Released 22 Oct 2024 - 417.22 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.6 (21 Oct 2024)
    - Added Vietnamese localization (thanks to anhkhoakz).
    - Added option to enter custom message on blocking/delaying page.
    - Added option to block about:debugging (Firefox).
    - Added option to allow access for limited time after delaying page.
    - Added option to ignore jumps in time spent (e.g., when computer goes to sleep).
    - Added export to JSON file.
    - Added options for 30/60/90-day time limit periods.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.5

    Released 30 Jun 2024 - 415.63 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.5 (18 Jun 2024)
    - Added "fade (100%)" filter option.
    - Added option to disable link on blocking/delaying page.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.4.1

    Released 19 May 2024 - 415.46 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.4.1 (19 May 2024)
    - Bug fix.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.4

    Released 1 Apr 2024 - 415.49 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.4 (31 Mar 2024)
    - Added buttons to show simplified/full options.
    - Added button to add sites to a block set (without going through the options page).
    - Added option to count time only when browser tab is playing audio.
    - Added German localization (thanks to dawin64).
    - Bug fixes and UI tweaks.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.3

    Released 21 Jan 2024 - 408.58 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.3 (21 Jan 2024)
    - Added option to allow override to apply to internal pages (about:addons, etc.).
    - Added option to wait N seconds after page has loaded before checking blocking conditions.
    - Document title now included in keyword search.
    - Fixed export function for Android.
    - UI tweaks.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.2

    Released 26 Dec 2023 - 407.88 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.2 (26 Dec 2023)
    - Added option to limit number of overrides per hour/day/week.
    - Added option to block only private/non-private tabs.
    - Added option to add blocked page to browser history.
    - Added option to allow/disallow blocking LeechBlock website.
    - Bug fixes and under-the-hood improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6.1

    Released 9 Dec 2023 - 406.54 kB
    Works with firefox 109.0 and later, android 109.0 and later
    Version 1.6.1 (09 Dec 2023)
    - Under-the-hood improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.6

    Released 28 Oct 2023 - 406.57 kB
    Works with firefox 109.0a1 and later
    Version 1.6 (28 Oct 2023)
    - Updated for Manifest V3.
    - Added option to change time interval for processing tabs.
    - Please report any issues on GitHub: https://github.com/proginosko/

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.8

    Released 17 Sep 2023 - 406.25 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.8 (17 Sep 2023)
    - Added option to allow/disallow override during lockdown.
    - Bug fixes.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.7

    Released 2 Jul 2023 - 405.96 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.7 (02 Jul 2023)
    - Allowed drive specifiers in site list (e.g., C:/path/).
    - Added link to online documentation.
    - Fixed issue with disabling general options.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.6

    Released 29 May 2023 - 405.97 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.6 (28 May 2023)
    - Allowed decimal time limits, e.g., 0.5 or 2.5 (thanks to George Kolasa).

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.5

    Released 23 Apr 2023 - 405.85 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.5 (23 Apr 2023)
    - Added Brazilian Portuguese localization.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.4.1

    Released 9 Mar 2023 - 402.24 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.4.1 (08 Mar 2023)
    - Fixed default theme for blocking/delaying pages.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.4

    Released 28 Feb 2023 - 402.22 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.4 (26 Feb 2023)
    - Added button to discard remaining time allowance (including any rollover time).
    - Default theme now honors browser dark/light mode.
    - UI tweaks.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.3

    Released 5 Feb 2023 - 400.7 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.3 (05 Feb 2023)
    - Added option to include passwords in exported file.
    - Added option to enable/disable auto-loading of blocked page after delay countdown.
    - UI tweaks.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.2.1

    Released 27 Nov 2022 - 400.44 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.2 (26 Nov 2022)
    - Added option to show/hide access password.
    - Added option to select clock time format (12/24-hour).
    - Added button to reset rollover time.
    - Bug fixes, UI tweaks, and under-the-hood improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5.1

    Released 12 Aug 2022 - 399.17 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5.1 (12 Aug 2022)
    - Fixed issue with pinned/restored tabs.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.5

    Released 7 Aug 2022 - 399.02 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.5 (07 Aug 2022)
    - Added option for predefined override access code (thanks to Bailey Kong).
    - Fixed issue with colons and hyphens in keywords.
    - Under-the-hood improvements.

    Source code released under Mozilla Public Licence 2.0

    Download file

  • Version 1.4.2

    Released 1 May 2022 - 398.81 kB
    Works with firefox 48.0 and later, android 48.0 and later
    Version 1.4.2 (01 May 2022)
    - Added button to cancel override.
    - Fixed issue with hyphens in URLs.

    Source code released under Mozilla Public Licence 2.0

    Download file