Originally Posted by d3ft0n3s

There are a couple of browser extensions that mask your IP using your proxy.
FastProxy
Обход блокировок Рунета

I use both, the first opens more sites, but often breaks down for a short time and I have to restart the browser :]
Mainly for trackers.

I am an ˝hard core˝ Proton Legacy user (haha) so my choice of setup is a desktop app with a kill switch and browser extension with a kill switch also If the app or browser extension crashes, there's no IP leak. 100% tested and functional