Obtaining extension identifier from Mozilla Firefox Web Store:

Lets consider "uBlock Origin" as the extension to be added to the extension repository:

  • Go to Mozilla Firefox Web Store on Firefox browser.

    If you open the Firefox web store on any other browser, the Add to Firefox button will be replaced by "Only with Firefox - Get Firefox Now" button.

  • Search for the extension "uBlock Origin" using the search bar.
  • Right click on the "Add to Firefox" button and select "Copy link location".
  • Paste the copied link in the Extension Identifier field present in the Extension Repository corresponding to Firefox.