Yes. You can point a campaign at a folder or a packed .zip and ATB will launch its browser profiles with those extensions already installed, which is handy for wallet extensions, ad tooling, or anything a genuine user profile would realistically have. Each extension runs isolated so one misbehaving extension won’t crash the session. Just keep your list short if you’re running a lot of threads, since extensions do add memory overhead per browser.
Full guide: Browser Extensions on docs.dalga.dev