PrivacyX Firefox

Download PrivacyX

By: mixaoc Add-on
Download PrivacyX (current and past versions) for Firefox
xHeader
Modify request and response headers. No ads, no malware.
Latest Version: 5.0 Updated: 2 months ago

Ready to install?

PrivacyX is available to install from Firefox Add-ons Store and for download from this page.
View source code
1,099
Daily users
4.9
132 ratings
6
Total downloads

Available versions

You can find the current and older versions of PrivacyX 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
5.0XPI · ZIP · Source code4.28MB32026-06-25
4.9XPI · ZIP · Source code4.26MB12026-03-01
4.7XPI · ZIP · Source code1.37MB02026-02-08
4.5Paid users only2.71MB12025-11-12
4.3Paid users only2.70MB02025-10-28
4.2Paid users only1.72MB02025-10-27
2.0Paid users only175.85KB02025-10-20
1.0Paid users only88.95KB12025-02-17
5.0 4.28MB
2026-06-25 · 3 downloads
4.9 4.26MB
2026-03-01 · 1 downloads
4.7 1.37MB
2026-02-08 · 0 downloads
4.5 2.71MB
2025-11-12 · 1 downloads
4.3 2.70MB
2025-10-28 · 0 downloads
4.2 1.72MB
2025-10-27 · 0 downloads
2.0 175.85KB
2025-10-20 · 0 downloads
1.0 88.95KB
2025-02-17 · 1 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

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

Best PrivacyX Alternatives

Here are some Firefox add-ons that are similar to PrivacyX: