ZeroWebTools Companion Firefox

Download ZeroWebTools Companion

Download ZeroWebTools Companion (current and past versions) for Firefox
Latest Version: 0.1.7 Updated: 14 days ago

Ready to install?

ZeroWebTools Companion 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 ZeroWebTools Companion 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
0.1.7XPI · ZIP · Source code270.35KB02026-07-12
0.1.6XPI · ZIP · Source code270.46KB02026-07-11
0.1.0XPI · ZIP · Source code30.07KB02026-05-31
0.1.7 270.35KB
2026-07-12 · 0 downloads
0.1.6 270.46KB
2026-07-11 · 0 downloads
0.1.0 30.07KB
2026-05-31 · 0 downloads

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

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

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