BenLeMan

Strangely attracted to distant stars yet unable to establish a stable orbit, Simp 0136 is condemned to a lonely existence.

Almost correct, except that the patterns it works with are on the byte level. Not all files contain text, after all.

Or just use Firefox Focus

"This item is unavailable in your country."

I have just set my mobile Firefox to private browsing only.

Works for me because I rarely need to log in to websites on my phone (most have apps, anyway, e.g. Lemmy).