# BrainDen study tools

> Workflows for turning PDFs, lectures, audio, YouTube videos, photos, and notes into structured notes, flashcards, quizzes, mind maps, and active-recall practice.

- [PDF to Flashcards: Create Study Cards with AI](https://brainden.app/tools/pdf-to-flashcards.md): Turn a PDF into flashcards with BrainDen. Import lecture slides, chapters, or readings, create structured notes, and review key ideas with active recall.
- [PDF to Study Notes: Organize Long Files with AI](https://brainden.app/tools/pdf-to-study-notes.md): Turn a long PDF into structured study notes with BrainDen. Keep the source attached, highlight passages, add comments, and build an active study workflow.
- [PDF to Quiz: Create Practice Questions with AI](https://brainden.app/tools/pdf-to-quiz.md): Turn a PDF into a practice quiz with BrainDen. Import your own course material, organize it into a study note, and test recall with questions and feedback.
- [YouTube to Notes: Turn Study Videos into Clear Notes](https://brainden.app/tools/youtube-to-notes.md): Turn a YouTube study video into structured notes with BrainDen. Paste a link, organize the main ideas, and continue with flashcards, quizzes, and active recall.
- [Lecture Recording to Notes: AI Notes for Classes](https://brainden.app/tools/lecture-recording-to-notes.md): Record a lecture and turn it into study notes with BrainDen. Keep the transcript and source together, then review with flashcards, quizzes, and recall.
- [Audio to Notes: Turn Recordings into Study Material](https://brainden.app/tools/audio-to-notes.md): Turn an audio file into a transcript and structured study note with BrainDen. Organize recorded lessons, voice notes, and explanations, then practise recall.
- [Handwritten Notes to Flashcards with AI](https://brainden.app/tools/handwritten-notes-to-flashcards.md): Turn photos of handwritten notes into digital notes and flashcards with BrainDen. Capture a page, check the text, and practise key ideas with active recall.
- [Notes to Mind Map: Visualize Connections with AI](https://brainden.app/tools/notes-to-mind-map.md): Turn study notes into a mind map with BrainDen. See how concepts connect, find missing relationships, and move between visual review and active recall.
- [How to Organize College Notes by Semester and Course](https://brainden.app/tools/organize-college-notes-by-semester.md): Organize college notes by semester, course, and module with a practical nested-folder system that keeps lectures, readings, and revision material easy to find.
- [How to Link Lecture Notes to Course Readings](https://brainden.app/tools/link-lecture-notes-to-readings.md): Link lecture notes to course readings in BrainDen, use backlinks to recover context, and connect examples, evidence, and explanations without duplicating notes.
- [How to Review Multiple Notes Together for Exams](https://brainden.app/tools/review-multiple-notes-for-exams.md): Select and read multiple study notes together for exam revision in BrainDen. Build a focused topic pack while keeping every original lecture and reading intact.
- [Export Multiple Study Notes as One PDF](https://brainden.app/tools/export-multiple-notes-to-pdf.md): Export selected BrainDen study notes as one PDF revision pack. Keep the originals separate while creating a portable topic or course document.
- [Share Study Notes Online with BrainDen](https://brainden.app/tools/share-study-notes-with-classmates.md): Share one BrainDen study note or focused folder by read-only link. Choose whether sources and transcripts are visible, then disable access when finished.
- [Lecture Notes to Flashcards: Build an Active Review Set](https://brainden.app/tools/lecture-notes-to-flashcards.md): Turn lecture notes into focused flashcards with BrainDen. Keep class context, check key terms, and organize each review set inside your course library.
- [YouTube to Flashcards: Study Videos with Active Recall](https://brainden.app/tools/youtube-to-flashcards.md): Turn a YouTube video into structured notes and flashcards with BrainDen. Check visual details, practise recall, and connect the video to related course notes.
- [Turn Notes into a Quiz for Active Recall](https://brainden.app/tools/turn-notes-into-quiz.md): Turn study notes into a focused practice quiz with BrainDen. Check the source, answer from memory, and connect missed questions to your course library.
- [PowerPoint to Flashcards: Study Slides with Recall](https://brainden.app/tools/powerpoint-to-flashcards.md): Export PowerPoint slides as a PDF, turn them into structured notes and flashcards in BrainDen, and add speaker context that the slide deck leaves out.
- [PDF to Mind Map: Map Ideas and Relationships](https://brainden.app/tools/pdf-to-mind-map.md): Turn a focused PDF into a structured BrainDen note and mind map. Check the source, name meaningful relationships, and keep detailed evidence attached.
- [PowerPoint to Quiz: Test What the Slides Teach](https://brainden.app/tools/powerpoint-to-quiz.md): Export PowerPoint slides as PDF, create a BrainDen practice quiz, and check the lecture context, diagrams, and speaker details missing from static slides.
- [Textbook to Notes: Build an Active Reading System](https://brainden.app/tools/textbook-to-notes.md): Turn a permitted textbook chapter PDF into structured BrainDen notes. Preview the chapter, keep evidence attached, and connect it to lectures and recall tools.
- [YouTube Video to Quiz: Test What You Watched](https://brainden.app/tools/youtube-video-to-quiz.md): Turn an accessible YouTube study video into a structured BrainDen note and practice quiz. Add missing visual context, answer from memory, and check the source.
- [Image to Notes: Turn Study Photos into a Library](https://brainden.app/tools/image-to-notes.md): Turn clear photos of whiteboards, handouts, and study pages into editable BrainDen notes. Check OCR, restore visual context, and organize each note by course.
- [PowerPoint to Notes: Build Study Notes from Slides](https://brainden.app/tools/powerpoint-to-notes.md): Export a PowerPoint deck as PDF, turn the slides into structured BrainDen notes, restore missing speaker context, and connect the result to your course library.
- [Notes to Flashcards: Make a Focused Review Set](https://brainden.app/tools/notes-to-flashcards.md): Make flashcards from checked study notes with BrainDen. Keep explanations connected, write focused prompts, and organize each set by course and topic.
- [Image to Flashcards: Turn Study Photos into Recall](https://brainden.app/tools/image-to-flashcards.md): Turn a clear image of notes, a handout, or a whiteboard into checked BrainDen flashcards. Verify extracted text, restore visual context, and practise recall.
- [Image to Quiz: Test What a Study Photo Shows](https://brainden.app/tools/image-to-quiz.md): Turn a clear study image into an editable BrainDen note and quiz. Check extracted text, restore diagram context, and use mistakes to revisit the source.
- [Notes to Study Guide: Build a Focused Review System](https://brainden.app/tools/notes-to-study-guide.md): Turn checked notes into a focused BrainDen study guide workflow. Organize the objective, keep source notes connected, review several notes, and practise recall.
- [Audio File to Flashcards: Build Recall from Recordings](https://brainden.app/tools/audio-file-to-flashcards.md): Turn a lecture or study audio file into checked flashcards with BrainDen. Keep the transcript connected, then practise key ideas with active recall.
- [YouTube Video to Mind Map: Map the Main Ideas](https://brainden.app/tools/youtube-video-to-mind-map.md): Turn a YouTube study video into a checked mind map with BrainDen. Map key relationships and keep visual details tied to the original video.
- [How to Organize Digital Notes for Study](https://brainden.app/tools/organize-digital-notes.md): Organize digital study notes with folders and links. Keep sources attached, build a useful hierarchy, connect topics, and review related notes together.
- [How to Organize Research Notes by Source and Theme](https://brainden.app/tools/organize-research-notes.md): Organize research notes by project, source, and theme in BrainDen. Keep PDFs attached, separate claims from analysis, and connect evidence across readings.
- [How to Make Revision Notes for Active Recall](https://brainden.app/tools/make-revision-notes.md): Make focused revision notes from checked course material with BrainDen. Organize one exam topic, keep originals connected, and move into active recall.
- [Textbook to Flashcards: Study One Chapter at a Time](https://brainden.app/tools/textbook-to-flashcards.md): Turn a textbook chapter into checked flashcards with BrainDen. Keep the PDF and note connected, then practise definitions, relationships, and applications.
- [Text to Mind Map: Turn Study Text into Clear Branches](https://brainden.app/tools/text-to-mind-map.md): Turn focused study text into a structured BrainDen note and mind map. Check the hierarchy, name useful relationships, and keep the full explanation connected.
- [Image to Mind Map: Map a Checked Study Photo](https://brainden.app/tools/image-to-mind-map.md): Turn a clear study image into a checked BrainDen note and mind map. Verify text, restore visual relationships, and keep the original photo available.
- [Lecture Notes to Quiz: Test What Class Covered](https://brainden.app/tools/lecture-notes-to-quiz.md): Turn checked lecture notes into a BrainDen practice quiz. Preserve class terminology and visual context, then use each mistake to revisit the right source.
- [Mind Map for History: Connect Causes, Evidence, and Change](https://brainden.app/tools/history-mind-map.md): Build a history mind map from checked notes in BrainDen. Connect chronology, causation, evidence, continuity, and change without losing the original sources.
- [Mind Map for Biology: Connect Structures and Processes](https://brainden.app/tools/biology-mind-map.md): Build a biology mind map from checked notes in BrainDen. Connect structures, processes, regulation, and examples while keeping diagrams and sources attached.
- [Mind Map for Chemistry: Connect Reactions and Models](https://brainden.app/tools/chemistry-mind-map.md): Build a chemistry mind map from checked BrainDen notes. Connect particles, reactions, conditions, equations, and evidence while preserving exact notation.
- [Chemistry Quiz Generator from Your Own Course Notes](https://brainden.app/tools/chemistry-quiz-generator.md): Create a chemistry practice quiz from checked notes and sources in BrainDen. Test concepts, equations, calculations, and lab reasoning, then repair each gap.
- [Text to Flashcards: Build Recall from Checked Study Text](https://brainden.app/tools/text-to-flashcards.md): Turn focused study text into checked flashcards with BrainDen. Keep the full explanation connected, write narrow prompts, and organize the result by course.
- [Text to Quiz: Test a Checked Passage with Active Recall](https://brainden.app/tools/text-to-quiz.md): Turn focused study text into a checked BrainDen note and practice quiz. Test the ideas, use feedback to diagnose gaps, and keep the full explanation connected.
- [Audio to Quiz: Test What You Heard in a Recording](https://brainden.app/tools/audio-to-quiz.md): Turn a permitted audio file into a checked transcript, note, and BrainDen quiz. Test spoken explanations, diagnose gaps, and keep the source connected.
- [Audio to Mind Map: Map Ideas from a Checked Recording](https://brainden.app/tools/audio-to-mind-map.md): Turn a permitted audio file into a checked BrainDen transcript, note, and mind map. Verify spoken detail, restore missing visuals, and explain each branch.
- [PowerPoint to Mind Map: Map a Checked Slide Deck](https://brainden.app/tools/powerpoint-to-mind-map.md): Export PowerPoint slides as a PDF, create a checked BrainDen note and mind map, restore speaker context, and keep diagrams and source slides connected.
- [Textbook to Quiz: Test One Checked Chapter at a Time](https://brainden.app/tools/textbook-to-quiz.md): Turn a permitted textbook chapter into a checked BrainDen note and quiz. Test concepts and applications, then trace corrections back to the source.
- [Textbook to Mind Map: Map One Checked Chapter](https://brainden.app/tools/textbook-to-mind-map.md): Turn a permitted textbook chapter into a checked BrainDen note and mind map. Verify figures and hierarchy, explain relationships, and keep the source connected.
- [Research Paper to Notes: Keep the Evidence Traceable](https://brainden.app/tools/research-paper-to-notes.md): Turn a permitted research paper PDF into checked BrainDen notes. Separate the question, method, findings, and limitations while keeping every claim traceable.
- [Research Paper to Flashcards: Test Claims and Methods](https://brainden.app/tools/research-paper-to-flashcards.md): Turn a permitted research paper into checked BrainDen flashcards. Test the question, method, findings, and limits while keeping the PDF and full note connected.
- [Research Paper to Quiz: Test Methods and Findings](https://brainden.app/tools/research-paper-to-quiz.md): Turn a permitted research paper PDF into a checked BrainDen quiz. Test the question, design, findings, and limitations, then trace corrections to the source.
- [Biology Flashcard Generator from Your Course Material](https://brainden.app/tools/biology-flashcard-generator.md): Create biology flashcards from checked course notes in BrainDen. Review terminology, structures, pathways, experiments, and exceptions with active recall.
- [Biology Quiz Generator from Your Notes and Readings](https://brainden.app/tools/biology-quiz-generator.md): Create a biology practice quiz from checked notes in BrainDen. Test structures, processes, experiments, and application, then trace each gap to its source.
- [Chemistry Flashcard Generator from Your Course Notes](https://brainden.app/tools/chemistry-flashcard-generator.md): Create chemistry flashcards from checked notes in BrainDen. Review concepts, equations, conditions, calculations, and lab evidence with exact notation.
- [History Flashcard Generator for Dates, Causes, and Evidence](https://brainden.app/tools/history-flashcard-generator.md): Create history flashcards from checked course material in BrainDen. Review chronology, causation, evidence, comparison, and interpretation in context.
- [History Quiz Generator from Your Own Course Material](https://brainden.app/tools/history-quiz-generator.md): Create a history quiz from checked course notes in BrainDen. Test chronology, causation, evidence, comparison, and interpretation, then repair each gap.
- [Anatomy Flashcard Generator from Your Course Material](https://brainden.app/tools/anatomy-flashcard-generator.md): Create anatomy flashcards from checked notes in BrainDen. Review structures, relations, functions, and clinical context with diagrams attached.
- [Anatomy Quiz Generator from Notes, Slides, and Diagrams](https://brainden.app/tools/anatomy-quiz-generator.md): Create an anatomy quiz from checked course material in BrainDen. Test structures, relations, functions, and supply, then trace each gap back to its diagram.
- [Physics Flashcard Generator from Your Course Notes](https://brainden.app/tools/physics-flashcard-generator.md): Create physics flashcards from checked notes in BrainDen. Review laws, quantities, assumptions, diagrams, and problem-solving cues without replacing practice.
- [Physics Quiz Generator from Your Course Material](https://brainden.app/tools/physics-quiz-generator.md): Create a physics quiz from checked course notes in BrainDen. Test concepts, models, graphs, units, and method choices, then verify every calculation.
- [Math Flashcard Generator from Your Course Notes](https://brainden.app/tools/math-flashcard-generator.md): Create math flashcards from checked notes in BrainDen. Review definitions, theorem conditions, representations, and method cues alongside full problem practice.
- [Math Quiz Generator from Your Course Material](https://brainden.app/tools/math-quiz-generator.md): Create a math quiz from checked course notes in BrainDen. Test definitions, method choice, representations, and reasoning, then verify every solution.
- [Psychology Flashcard Generator from Your Course Notes](https://brainden.app/tools/psychology-flashcard-generator.md): Create psychology flashcards from checked notes in BrainDen. Review concepts, theories, studies, methods, evidence, and limitations without flattening nuance.
- [Psychology Quiz Generator from Your Course Material](https://brainden.app/tools/psychology-quiz-generator.md): Create a psychology quiz from checked course notes in BrainDen. Test concepts, theories, studies, methods, evidence, and limitations with traceable corrections.
- [Geography Quiz Generator from Your Course Material](https://brainden.app/tools/geography-quiz-generator.md): Create a geography quiz from checked notes in BrainDen. Test place, process, scale, maps, data, and case-study evidence while keeping sources and dates visible.
- [Geography Flashcard Generator from Your Course Notes](https://brainden.app/tools/geography-flashcard-generator.md): Create geography flashcards from checked notes in BrainDen. Review place, process, scale, maps, data, and dated case-study evidence with clear context.
- [Economics Flashcard Generator from Your Course Notes](https://brainden.app/tools/economics-flashcard-generator.md): Create economics flashcards from checked notes in BrainDen. Review definitions, models, graphs, assumptions, data, and evaluation without losing context.
- [Economics Quiz Generator from Your Course Material](https://brainden.app/tools/economics-quiz-generator.md): Create an economics quiz from checked course notes in BrainDen. Test models, graphs, calculations, evidence, and evaluation with traceable corrections.
- [Computer Science Flashcard Generator from Course Notes](https://brainden.app/tools/computer-science-flashcard-generator.md): Create computer science flashcards from checked notes in BrainDen. Review concepts, algorithms, code behavior, complexity, and trade-offs with exact context.
- [Computer Science Quiz Generator from Course Material](https://brainden.app/tools/computer-science-quiz-generator.md): Create a computer science quiz from checked course notes in BrainDen. Test concepts, code traces, algorithms, complexity, and design decisions with evidence.
- [Law Flashcard Generator from Your Course Notes](https://brainden.app/tools/law-flashcard-generator.md): Create law flashcards from checked course materials in BrainDen. Review rules, elements, cases, exceptions, jurisdiction, and authority without legal advice.
- [Law Quiz Generator from Your Course Material](https://brainden.app/tools/law-quiz-generator.md): Create a law quiz from checked course materials in BrainDen. Test issues, rules, cases, exceptions, and application with jurisdiction kept visible.
- [Sociology Flashcard Generator from Your Course Notes](https://brainden.app/tools/sociology-flashcard-generator.md): Create sociology flashcards from checked course notes in BrainDen. Review theories, concepts, studies, methods, evidence, and evaluation with context preserved.
- [Sociology Quiz Generator from Your Course Material](https://brainden.app/tools/sociology-quiz-generator.md): Create a sociology quiz from checked course notes in BrainDen. Test theories, studies, methods, comparisons, application, and evaluation with clear context.
- [Political Science Flashcard Generator from Course Notes](https://brainden.app/tools/political-science-flashcard-generator.md): Create political science flashcards from checked notes in BrainDen. Review theories, institutions, cases, comparisons, and dated evidence in context.
- [Political Science Quiz Generator from Course Material](https://brainden.app/tools/political-science-quiz-generator.md): Create a political science quiz from checked notes in BrainDen. Test theories, institutions, cases, comparisons, evidence, and evaluation with context.
- [Philosophy Flashcard Generator from Your Course Notes](https://brainden.app/tools/philosophy-flashcard-generator.md): Create philosophy flashcards from checked notes in BrainDen. Review arguments, concepts, thinkers, objections, distinctions, and source passages in context.
- [Philosophy Quiz Generator from Your Course Material](https://brainden.app/tools/philosophy-quiz-generator.md): Create a philosophy quiz from checked course notes in BrainDen. Test concepts, arguments, objections, thought experiments, and evaluation with source context.
- [Nursing Flashcard Generator from Your Course Notes](https://brainden.app/tools/nursing-flashcard-generator.md): Create nursing flashcards from checked course notes in BrainDen. Review concepts, assessments, interventions, rationales, and safety limits with context.
- [Nursing Quiz Generator from Your Course Material](https://brainden.app/tools/nursing-quiz-generator.md): Create a nursing quiz from checked course notes in BrainDen. Test assessments, priorities, interventions, rationales, and safety limits with clear context.
- [Pharmacology Flashcard Generator from Your Notes](https://brainden.app/tools/pharmacology-flashcard-generator.md): Create pharmacology flashcards from checked notes in BrainDen. Review classes, mechanisms, effects, interactions, precautions, and monitoring in context.
- [Pharmacology Quiz Generator from Your Course Notes](https://brainden.app/tools/pharmacology-quiz-generator.md): Create a pharmacology quiz from checked notes in BrainDen. Test classes, mechanisms, effects, interactions, precautions, monitoring, and calculations.
- [Medical Flashcard Generator from Your Course Notes](https://brainden.app/tools/medical-flashcard-generator.md): Create medical flashcards from checked course notes in BrainDen. Review mechanisms, findings, tests, differentials, and management principles with context.
- [Medical Quiz Generator from Your Course Material](https://brainden.app/tools/medical-quiz-generator.md): Create a medical quiz from checked course notes in BrainDen. Test mechanisms, findings, investigations, differentials, and evidence limits in context.