I have Firefox 94.1.2 on a Pixel 3XL with Android 10. I'm trying to install a user-script extension like Greasemonkey Tampermonkey.

addons.mozilla.org shows these are both available for Android: Greasemonkey Tampermonkey

When I open the Add-on menu in Firefox, I see one add-on I have Enabled, and about 15 other "Recommended" (not of interest). I find no way to search for additional add-ons in addons.mozilla.org.

I found this article that said this issue would be fixed about a year ago, but I'm still not able to install add-ons.

This article implies that running Nightly versions of Firefox might allow more add-ons. Is there any other way to install these extensions?

  • 1
    There is no other way. Everyone is stuck in the same boat moving at snail's speed.
    – Firelord
    Nov 21, 2021 at 2:42
  • 1
    I'm afraid this is not possible in Firefox. You can try Kiwi Browser which has full support for extensions (I have no association with its author). Nov 21, 2021 at 10:55

1 Answer 1


With Firefox and Chrome both incapable, the best answer is to install yet another Browser. I chose Kiwi. From the main menu, choose the Extensions page. Touch the "+(from store)" button - it will take you to chrome.google.com. Searching on Tampermonkey offers "Tampermonkey" "Tampermonkey Beta" and "Clipcopy for Tampermonkey". Choose "Tampermonkey" but do not use the Android "Get it" link - it goes to the Play Store and offers an App, not an extension. Click the link to the Tampermonkey.net site which contains a link to "Install in Chrome". Select it and it will install in Kiwi.

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