I used Surfer for a little while to do static file hosting on Digital Ocean K8s. Set the backend file hosting up on spaces, with nginx as the ingress. Source: almost 2 years ago

Have tampermonkey installed (google), then go to greasyfork (website) I have the link here https://greasyfork.org/en and search up character ai, have fun :)). Source: about 1 year ago

If the above mentioned URL rewriter doesn't work for you (I found it hard to use myself, and never could get the rules figured out), then you could try using https://github.com/janekptacijarabaci/greasemonkey and finding a redirect script here: https://greasyfork.org/en. Source: about 1 year ago

I was thinking more greasemonkey / userscripts. Source: about 1 year ago

Https://greasyfork.org/en is sort of what you're looking for. - Source: Hacker News / over 1 year ago

Then you should rather look for simple userscripts on for example https://greasyfork.org/en then use them or convert to uBO scriptlet syntax (which should be easy). Source: over 1 year ago