For YouTube, I've used it in Safari on iOS for a while with UnTrap for YouTube that lets you disable short[1]. On desktop, a uBlock origin filter works[2].

[1]: https://apps.apple.com/us/app/untrap-for-youtube/id163743805...

[2]: https://github.com/i5heu/ublock-hide-yt-shorts

Untrap is solid. For Firefox I use Unhook