It's great to be reading an article and immediately have the details on it and related papers. (And it makes copying the bibtex citation a snap)!

I was also impressed that Google was offering an actually useful plugin instead of the typical "Generative AI" slop they've been famous for recently.
However, I see now that the plugin has not been updated since 2020; well before the rise of LLMs. And unfortunately, this plugin does need an update. Firefox no longer adds an extension's icon to the toolbar by default, you have to check a box at the end of the install process. (If you read the negative reviews here, several ask "where is the Scholar button?")

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все работает, не мешает работе других программ и расширений

The Google Scholar Button extension for Firefox helps users quickly access Google Scholar for research purposes. It allows you to search for scholarly articles, find full-text versions, format citations, and save articles to your Google Scholar library. It is especially useful for students and researchers, providing a seamless way to retrieve academic papers directly from any webpage. You can easily transfer queries from web searches, find resources in your university library, and even access case law.

I installed it, but I don't see any "browser button" I'm assuming the purpose isn't to merely create a bookmark for Google Scholar... support page does not exist or I would search for help. Using latest Firefox. I use Google Scholar almost every day.

Works great, convenient for students