OnFin Firefox

Download OnFin

By: OnFin
Download OnFin (current and past versions) for Firefox
Latest Version: 1.39.2 Updated: 3 months ago

Ready to install?

OnFin is available to install from Firefox Add-ons Store and for download from this page.
View source code
8
Daily users
5.0
1 ratings
0
Total downloads

Available versions

You can find the current and older versions of OnFin 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
1.39.2XPI · ZIP · Source code437.03KB02026-04-03
1.39.1XPI · ZIP · Source code437.03KB02026-03-23
1.38.2XPI · ZIP · Source code437.04KB02026-03-04
1.38.1Paid users only437.08KB02026-01-08
1.37.3Paid users only437.17KB02025-12-10
1.37.2Paid users only437.19KB02025-11-20
1.37.1Paid users only437.20KB02025-11-06
1.36.1Paid users only437.20KB02025-10-23
1.35.3Paid users only437.19KB02025-10-16
1.35.2Paid users only437.21KB02025-09-26
1.35.1Paid users only437.21KB02025-09-25
1.34.1Paid users only437.21KB02025-09-24
1.33.3Paid users only437.25KB02025-09-12
1.33.2Paid users only437.27KB02025-08-27
1.32.8Paid users only1.24MB02025-08-26
1.31.3Paid users only1.24MB02025-07-14
1.31.2Paid users only1.24MB02025-06-20
1.31.1Paid users only1.24MB02025-06-13
1.20Paid users only1.24MB02024-04-27
1.16Paid users only1.24MB02024-04-27
1.10Paid users only1.24MB02024-04-26
1.3Paid users only430.97KB02024-04-24
1.1Paid users only430.96KB02024-04-23
1.0Paid users only430.96KB02024-04-23
1.39.2 437.03KB
2026-04-03 · 0 downloads
XPI ZIP Source code
1.39.1 437.03KB
2026-03-23 · 0 downloads
XPI ZIP Source code
1.38.2 437.04KB
2026-03-04 · 0 downloads
XPI ZIP Source code
1.38.1 437.08KB
2026-01-08 · 0 downloads
Paid users only
1.37.3 437.17KB
2025-12-10 · 0 downloads
Paid users only
1.37.2 437.19KB
2025-11-20 · 0 downloads
Paid users only
1.37.1 437.20KB
2025-11-06 · 0 downloads
Paid users only
1.36.1 437.20KB
2025-10-23 · 0 downloads
Paid users only
1.35.3 437.19KB
2025-10-16 · 0 downloads
Paid users only
1.35.2 437.21KB
2025-09-26 · 0 downloads
Paid users only
1.35.1 437.21KB
2025-09-25 · 0 downloads
Paid users only
1.34.1 437.21KB
2025-09-24 · 0 downloads
Paid users only
1.33.3 437.25KB
2025-09-12 · 0 downloads
Paid users only
1.33.2 437.27KB
2025-08-27 · 0 downloads
Paid users only
1.32.8 1.24MB
2025-08-26 · 0 downloads
Paid users only
1.31.3 1.24MB
2025-07-14 · 0 downloads
Paid users only
1.31.2 1.24MB
2025-06-20 · 0 downloads
Paid users only
1.31.1 1.24MB
2025-06-13 · 0 downloads
Paid users only
1.20 1.24MB
2024-04-27 · 0 downloads
Paid users only
1.16 1.24MB
2024-04-27 · 0 downloads
Paid users only
1.10 1.24MB
2024-04-26 · 0 downloads
Paid users only
1.3 430.97KB
2024-04-24 · 0 downloads
Paid users only
1.1 430.96KB
2024-04-23 · 0 downloads
Paid users only
1.0 430.96KB
2024-04-23 · 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 OnFin ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the OnFin ZIP file from step 1. OnFin is now installed on your browser.

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