HTTP Header Hack Firefox

Download HTTP Header Hack

Download HTTP Header Hack (current and past versions) for Firefox
xHeader
Modify request and response headers. No ads, no malware.
Latest Version: 0.1.1 Updated: 3 years ago Removed

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HTTP Header Hack is available for download. Be careful when installing it.
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Available versions

You can find the current and older versions of HTTP Header Hack 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
0.1.1XPI · ZIP · Source code30.32KB02023-05-27
0.1.1 30.32KB
2023-05-27 · 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 HTTP Header Hack ZIP file from step 1. HTTP Header Hack is now installed on your browser.

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