Thea

Thea is an education tool that turns notes, PDFs, and lectures into flashcards, guides, and practice tests instantly. Thea is a free AI study platform that turns uploaded syllabi, notes, textbooks, images, or lecture videos into practice questions, flashcards, and study guides, or generates the same from a simple description of an upcoming exam.

Thea is an AI-powered study platform that converts course material into ready-to-use exam prep. Students upload a syllabus, handwritten notes, textbook pages, PDFs, images, or lecture videos, and Thea generates practice questions, flashcards, and study guides from that content. Alternatively, a student can describe the exam or topic they are preparing for and Thea builds matching study aids without any source document at all. In practice, the product is organized into four modes: Smart Study, which serves personalized practice questions that increase in difficulty as a student improves; Study Guide, which produces a condensed guide aimed at exam readiness; Memorize, which turns key terms into flashcards and games; and Test, which assembles a full practice exam. The platform frames these features as grounded in established learning research — active recall, spaced repetition, and varied practice questions — rather than simple flashcard shuffling. Thea also supports over 80 languages, letting students study material in their native language even when the source is written in another one. The tool is built around three entry points: an individual student experience, and separate paths for educators and institutions that want to bring Thea into a classroom setting. It works across computers, tablets, and phones through the browser, and the company reports more than a million learners on the platform. Thea was founded in 2023 by Baker Bruce while he was a high school junior, with a stated goal of making adaptive, AI-based study tools broadly accessible rather than limited to well-resourced schools. Within the studying-tools space, Thea sits closer to flashcard-and-practice-test apps than to general-purpose AI chat assistants, differentiating itself through the range of accepted input formats — particularly lecture video and handwritten notes — and by bundling multiple study formats into one workflow instead of requiring separate apps for flashcards, guides, and testing.