Create and sign Firefox xpi file for offline distribution of WebExtension. Read "Signing and distributing your add-on" for details. Based on FirefoxAddonsBuilder package. Path to packed extension ...

What is the user problem or growth opportunity you want to see solved? The user problem is that there is no simple and fast way for users to install downloaded addons (.xpi) via integrated file ...

Since we are downloading a file just before we start, I suggest using a download manager. In case of issues, you can resume the download. While these two should be enough to download the extension in ...