It's still possible to install SingleFile [1] on Firefox Nightly but you will need, for example, another browser to display saved pages [2]. [1] https://addons

It's still possible to install SingleFile [1] on Firefox Nightly but you will need, for example, another browser to display saved pages [2]. [1] https://addons.mozilla.org/firefox/addon/single-file/ https://addons.mozilla.org/firefox/addon/single-file/ [2] https://github.com/mozilla-mobile/fenix/issues/7546 https://github.com/mozilla-mobile/fenix/issues/7546