copyfu Firefox

Download copyfu

By: iquiw
Download copyfu (current and past versions) for Firefox
Latest Version: 0.12.1 Updated: 10 days ago

Ready to install?

copyfu 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 copyfu 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
0.12.1XPI · ZIP · Source code196.52KB02026-06-05
0.12.0XPI · ZIP · Source code194.65KB02026-05-04
0.11.0XPI · ZIP · Source code191.64KB02026-04-05
0.10.0Paid users only191.80KB02026-02-21
0.9.0Paid users only183.48KB02025-11-30
0.8.0Paid users only133.64KB02025-08-23
0.7.0Paid users only131.20KB02025-08-15
0.6.0Paid users only125.26KB02025-08-12
0.12.1 196.52KB
2026-06-05 · 0 downloads
XPI ZIP Source code
0.12.0 194.65KB
2026-05-04 · 0 downloads
XPI ZIP Source code
0.11.0 191.64KB
2026-04-05 · 0 downloads
XPI ZIP Source code
0.10.0 191.80KB
2026-02-21 · 0 downloads
Paid users only
0.9.0 183.48KB
2025-11-30 · 0 downloads
Paid users only
0.8.0 133.64KB
2025-08-23 · 0 downloads
Paid users only
0.7.0 131.20KB
2025-08-15 · 0 downloads
Paid users only
0.6.0 125.26KB
2025-08-12 · 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 copyfu ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the copyfu ZIP file from step 1. copyfu is now installed on your browser.

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