Semantic Memory
Link concepts together and generate instant quizzes.
Vector MemoryGenerative Reasoning
Upload it all to get started
A calm workspace to drop your notes, keep them organized, and unlock memory, chat, and quiz tools built on top of your own content.
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Why Xentra
Built for students who want a single, dependable place to store study material. Upload anything, retrieve it quickly, and study through calm, focused tools instead of distracting dashboards.
Feature highlights
Every capability below already exists inside the Upload, Memory, Chat, and Quiz pages.
Smart Recommendations
Surface what matters most. Personalized study reminders.
Focus82%
Multimodal Upload
Upload PDFs, worksheets, handwritten notes, or code. Everything becomes vector memory.
Personalized Memory Timeline
Track learning patterns and revisit topics automatically.
Always-onAdaptive
Chat With Your Notes
Ask questions, summarize, or generate flashcards.
AI-powered
Quiz Generator
Turn any topic into a practice quiz instantly.
How it works
1. Upload
Drop a PDF or any study file and we ingest it securely.
2. Embed
Content is turned into vector memory using OpenAI embeddings + Qdrant.
3. Recall
Use chat, search, and quizzes grounded in your own material.
Ready to work?
Head to the dedicated upload page, explore your stored memory, or start a chat session grounded in your notes.