ISImprovements Firefox

Download ISImprovements

By: Hzik Add-on
Download ISImprovements (current and past versions) for Firefox
Latest Version: 1.32 Updated: 21 days ago

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ISImprovements is available to install from Firefox Add-ons Store and for download from this page.
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Available versions

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

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
1.32XPI · ZIP · Source code56.06KB02026-07-12
1.30XPI · ZIP · Source code55.29KB02026-02-27
1.29XPI · ZIP · Source code55.26KB02025-10-06
1.26Paid users only55.25KB02025-08-01
1.25Paid users only55.24KB02025-06-06
1.24Paid users only55.25KB02025-05-14
1.23Paid users only55.06KB02025-01-02
1.22Paid users only55.04KB02024-12-09
1.19Paid users only54.92KB02024-10-15
1.18Paid users only54.33KB02024-05-31
1.17Paid users only54.31KB02024-05-09
1.16Paid users only54.29KB02024-05-03
1.15Paid users only54.26KB02024-01-14
1.13Paid users only53.88KB02023-06-26
1.12Paid users only53.70KB02023-06-18
1.11Paid users only53.30KB02022-11-11
1.10Paid users only53.28KB02022-10-02
1.9Paid users only53.20KB02022-08-29
1.8Paid users only52.90KB02022-08-24
1.7Paid users only52.94KB02022-07-31
1.32 56.06KB
2026-07-12 · 0 downloads
XPI ZIP Source code
1.30 55.29KB
2026-02-27 · 0 downloads
XPI ZIP Source code
1.29 55.26KB
2025-10-06 · 0 downloads
XPI ZIP Source code
1.26 55.25KB
2025-08-01 · 0 downloads
Paid users only
1.25 55.24KB
2025-06-06 · 0 downloads
Paid users only
1.24 55.25KB
2025-05-14 · 0 downloads
Paid users only
1.23 55.06KB
2025-01-02 · 0 downloads
Paid users only
1.22 55.04KB
2024-12-09 · 0 downloads
Paid users only
1.19 54.92KB
2024-10-15 · 0 downloads
Paid users only
1.18 54.33KB
2024-05-31 · 0 downloads
Paid users only
1.17 54.31KB
2024-05-09 · 0 downloads
Paid users only
1.16 54.29KB
2024-05-03 · 0 downloads
Paid users only
1.15 54.26KB
2024-01-14 · 0 downloads
Paid users only
1.13 53.88KB
2023-06-26 · 0 downloads
Paid users only
1.12 53.70KB
2023-06-18 · 0 downloads
Paid users only
1.11 53.30KB
2022-11-11 · 0 downloads
Paid users only
1.10 53.28KB
2022-10-02 · 0 downloads
Paid users only
1.9 53.20KB
2022-08-29 · 0 downloads
Paid users only
1.8 52.90KB
2022-08-24 · 0 downloads
Paid users only
1.7 52.94KB
2022-07-31 · 0 downloads
Paid users only

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

Install ZIP file

  • Download the ISImprovements ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the ISImprovements ZIP file from step 1. ISImprovements is now installed on your browser.

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