Daily Dairy

How to modify .xpi file(Firef0x addon).

What is a file with .xpi file extension?

An abbreviation for Cross-Platform Install (or XPInstall), a file with the .xpi file extension is a Mozilla/Firefox Browser Extension Archive file used to extend the functionality of Mozilla Firefox.

How to install a file with .xpi file extension?

The Mozilla Firefox browser uses .xpi files to provide extendability in the browser. If you have a .xpi file, just drag it to any open Firefox window to install it. Mozilla’s Add-ons for Firefox page is one place you can go to get official .xpi files to use with Firefox.

How to download file with .xpi file extension?

  • First of all, you need to install firefox.
  • Now goes to the add-on page  which you want to download.
  • You will see a option of Add to Firefox.
  • Right click on it.
  • Then click on Save Link As.


  • And save it to your desired path.


How to modify a file with .xpi file extension?

This is basically a ZIP file that, when opened by the browser utility, installs a browser extension.

  • Rename the Downloaded .xpi file extension to .zip file extension.
  • Unzip the file.
  • You will get all files of that addon. Make change what you want.


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