Important Concept Extraction
Identify definitions, relationships, processes and facts worth remembering.
AI Flashcard Generator
Use this AI flashcard generator from PDFs, lecture notes, pasted text or any topic. DocTree creates an editable active-recall deck around the concepts you need to remember.
Start with a document, existing notes or a subject you want to learn.
Extract definitions, formulas and important facts from textbook or study-guide PDFs.
Transform class notes, lecture notes and summaries into active-recall questions.
Paste an article, study guide or other text to build a focused review deck.
Enter any subject and generate a structured starter deck.
Built for Active Recall
Generate cards that fit into a complete learning workflow.
Identify definitions, relationships, processes and facts worth remembering.
Create definition, conceptual, application and fill-in-the-blank cards.
Review, rewrite, remove and organize every generated flashcard.
Keep generated answers grounded in the learning material you provide.
Attach cards to branches in your DocTree knowledge structure.
Move from flashcards to quizzes, summaries and deeper explanations.
Go from unstructured learning material to an editable study deck.
Upload a PDF, paste text or enter the topic you are studying.
DocTree analyzes the content and creates questions around its essential concepts.
Edit the deck, remove weak cards and begin an active-recall study session.
Advanced Capabilities
DocTree goes beyond simple flashcard generation. We give you the tools to review, edit, and master every single topic.
Stop wasting hours re-reading entire chapters. AI pinpoints exactly what you need to remember so you study only what matters for the exam.
Because manually writing flashcards from a 200-page textbook takes days. Get a complete study deck in seconds and start reviewing immediately.
Isolated flashcards are easy to forget. When every card is connected to a visual knowledge map, you build deeper understanding and remember more.
Passive re-reading gives you a false sense of confidence. Active recall forces your brain to retrieve answers, which is proven to double long-term retention.
Your study material is scattered across PDFs, notes and articles. Bring everything into one place and generate a unified deck without switching tools.
AI-generated cards are a starting point, not the final product. Edit, rewrite or remove any card so your deck matches exactly what your professor expects.
Turn course material into focused review decks before an exam.
Convert lecture notes into questions while the material is still fresh.
Practice programming concepts, terminology and architectural patterns.
Build active-recall exercises for any subject you are learning independently.
Quickly generate vocabulary and grammar drills from reading materials.
Master compliance, onboarding documents, and technical manuals easily.
Recommended DocTree | Traditional workflow Manual Creation |
|---|---|
IncludedFind important concepts | Not included |
IncludedWrite questions | Not included |
IncludedOrganize cards | Not included |
IncludedContinue studying | Not included |
| One connected learning workflow | Repetitive steps across separate tools |
Upload the PDF, select the material you want to review and generate a deck. DocTree turns important definitions, relationships and ideas into question-and-answer cards.
Yes. You can review and edit the question and answer on every generated card.
Yes. You can turn lecture notes, class summaries, articles, study guides or other pasted text into an editable flashcard deck.
Yes. The cards prompt you to retrieve an answer before revealing it, which makes them useful for active recall and exam preparation.
A deck can include definitions, comparisons, cause-and-effect relationships, applications and common misconceptions, with one focused concept per card.
Yes. The same learning material can be used to create quizzes, summaries, study guides and knowledge trees.
Add your learning material and turn its most important concepts into editable flashcards.
Free to start. No credit card required.