If you want a tool to create flashcards based on content from any website, Paperclips is a good option. It uses AI to generate flashcards from course notes or any website, and you can export them to Anki and Quizlet. That makes it a good option for students and others who want to learn and remember information.
Another good option is Revision AI, which can convert lectures, notes and textbooks into flashcards in a pretty slick way. It's got AI search, adaptive learning and the ability to export to Anki, so it's a good option for turning a lot of different source material into flashcards.
If you want something more collaborative and feature rich, check out OmniSets. This tool lets you create flashcards from any source material, and it's got adaptive learning, active recall options and practice quizzes. With options for translations and example sentences, it's good for students at any level.
Last, Wisdolia offers a more complete solution, turning lecture slides, YouTube videos, PDFs and web pages into flashcards and multiple-choice questions. It offers personalized feedback and the ability to export to Anki, so it's a good option for students who want to learn faster and more efficiently.