KoalaSync Firefox

Download KoalaSync

Download KoalaSync (current and past versions) for Firefox
Latest Version: 2.4.3 Updated: 5 days ago

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KoalaSync is available to install from Firefox Add-ons Store and for download from this page.
View source code
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Available versions

You can find the current and older versions of KoalaSync 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
2.4.3XPI · ZIP · Source code269.21KB02026-06-19
2.4.0XPI · ZIP · Source code256.77KB02026-06-16
2.3.0XPI · ZIP · Source code260.04KB02026-06-14
2.2.4Paid users only256.98KB02026-06-09
2.2.1Paid users only251.37KB02026-06-09
2.1.2Paid users only236.37KB02026-06-06
2.1.1Paid users only236.03KB02026-06-04
2.0.8Paid users only130.18KB02026-06-03
2.0.1Paid users only128.04KB02026-06-01
1.9.3Paid users only90.08KB02026-05-30
1.9.0Paid users only88.15KB02026-05-28
1.8.8Paid users only83.34KB02026-05-26
1.8.10Paid users only84.11KB02026-05-26
1.7.3Paid users only79.84KB02026-05-25
1.5.1Paid users only74.24KB02026-05-21
2.4.3 269.21KB
2026-06-19 · 0 downloads
XPI ZIP Source code
2.4.0 256.77KB
2026-06-16 · 0 downloads
XPI ZIP Source code
2.3.0 260.04KB
2026-06-14 · 0 downloads
XPI ZIP Source code
2.2.4 256.98KB
2026-06-09 · 0 downloads
Paid users only
2.2.1 251.37KB
2026-06-09 · 0 downloads
Paid users only
2.1.2 236.37KB
2026-06-06 · 0 downloads
Paid users only
2.1.1 236.03KB
2026-06-04 · 0 downloads
Paid users only
2.0.8 130.18KB
2026-06-03 · 0 downloads
Paid users only
2.0.1 128.04KB
2026-06-01 · 0 downloads
Paid users only
1.9.3 90.08KB
2026-05-30 · 0 downloads
Paid users only
1.9.0 88.15KB
2026-05-28 · 0 downloads
Paid users only
1.8.8 83.34KB
2026-05-26 · 0 downloads
Paid users only
1.8.10 84.11KB
2026-05-26 · 0 downloads
Paid users only
1.7.3 79.84KB
2026-05-25 · 0 downloads
Paid users only
1.5.1 74.24KB
2026-05-21 · 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 KoalaSync ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the KoalaSync ZIP file from step 1. KoalaSync is now installed on your browser.

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