I prefer bookmarklets for a few reasons: Compatibility: Bookmarklets work on all devices. Deskop, iOS and Android. Security: I can easily read and understand

I prefer bookmarklets for a few reasons: Compatibility: Bookmarklets work on all devices. Deskop, iOS and Android. Security: I can easily read and understand the code. They only run when I invoke them. While extensions have access to everything you do an any page, bookmarklets only have access to the page where you invoke them. Flexibility: They are easy to change. For example in this one, I will probably update the array of Nitter instances regularly. Usability: I can organize them just like my other bookmarks. Sharing: I can put the bookmark in just a line of text in a text file with an explanation. As I did here. No need to dabble with extension repositories of Firefox and Chrome, as you would have to with extensions. I don't even know how it would work for other browsers.