Here are some of the best Chrome extensions for a student:

• Grammarly: Grammarly helps you catch grammar, spelling, and punctuation errors in your writing. It can also help you improve your writing style and clarity.
• QuillBot: QuillBot is a powerful paraphrasing tool that can help you rewrite your sentences and paragraphs in different ways. It is a great tool for students who are writing essays or reports.
• Kami: Kami is a PDF annotation tool that allows you to highlight, comment, and draw on PDFs. It is a great tool for students who are taking notes or working on research papers.
• Todoist: Todoist is a to-do list app that helps you stay organized and on track with your studies. It allows you to create to-do lists, set deadlines, and track your progress.
• Noisli: Noisli is a background noise generator that can help you focus and concentrate on your studies. It offers a variety of different sounds, such as rainfall, coffee shop noise, and forest sounds.
• Cite This For Me: Cite This For Me helps you generate citations for your research papers in a variety of different styles, such as MLA, APA, and Chicago.
• OneTab: OneTab helps you save and manage your open tabs. This can be useful for students who have a lot of different tabs open at once.
• Google Scholar Button: The Google Scholar Button allows you to quickly search for scholarly articles from Google Scholar.
• Screencastify: Screencastify allows you to record your screen and create videos. This can be useful for students who want to create video tutorials or presentations.
• Loom: Loom is another screen recording tool that is popular with students. It allows you to record your screen and audio, and then share the recordings with others.