Learning that adapts to you.
Upload notes, books, PDFs, lectures, audio and images to instantly get summaries, quizzes, flashcards, mind maps and an AI tutor — grounded in your own materials.
What Lumio does
Every study tool you need, in one calm place.
Upload once. Study forever. From summaries to mock tests to a voice tutor — Lumio replaces a shelf full of apps.
AI Chat that reads your files.
Ask questions about your PDFs, slides or notes and get answers with page citations.
Instant summaries
Short, detailed, chapter-wise — turn a 300-page textbook into what you actually need to know.
Adaptive quizzes
MCQs, true/false, fill-in-the-blanks, viva questions — targeted at what you don't yet know.
Smart flashcards
Spaced repetition decks generated automatically from your notes. Flip, shuffle, master.
Mind maps & timelines
Visualise connections between ideas. Perfect for revision the night before an exam.
Voice tutor
Talk to Lumio like a tutor. Speech-to-text, text-to-speech, and full voice conversations.
Supports 25+ file types
How it works
Three steps. Then flow.
Upload anything
Drop in PDFs, slides, notes, audio, video or images. Lumio reads them all — even handwriting.
Lumio understands it
Our AI builds a private, searchable knowledge base of your material in seconds.
Study smarter
Chat, quiz yourself, generate flashcards and mind maps — always grounded in your own files.
Loved by students
The nicest way to say "I get it now."
"Lumio replaced Notion, Quizlet and my highlighter. I passed my finals 2 weeks early."
"I upload every lecture and just chat with it later. It's like having a private tutor at 3am."
"The auto-generated flashcards are eerily good. I've stopped making decks by hand entirely."
"My whole coaching batch uses Lumio for revision. Mock tests feel exactly like the real thing."
"The voice tutor is my favourite. I walk and talk through concepts during my commute."
"I run a small tutoring institute. Every student now gets a personal AI. Game changer."
Pricing
Free. Actually free.
No trial. No credit card. No premium lock. Every feature, every student, every day.
Community Edition
We believe learning should be free. Lumio is fully funded so every student gets every feature.
FAQ
Questions, answered.
Is Lumio really 100% free?
Yes. Every feature — AI chat, quizzes, flashcards, mind maps, voice tutor, PDF tools — is free forever. No trial, no credit card, no hidden plan.
What file types can I upload?
PDF, DOC, DOCX, PPT, PPTX, TXT, MD, EPUB, CSV, XLS, XLSX, PNG, JPG, WEBP, GIF, MP3, WAV, MP4, MOV, ZIP, and most code files (PY, JS, JAVA, CPP, and more).
Are my documents private?
Yes. Your files are encrypted, stored privately in your account, and never used to train public models.
Can I use Lumio offline?
Lumio works as a Progressive Web App. You can review notes and flashcards offline; AI features need connection.
Which languages are supported?
AI chat, summaries and quizzes work in 30+ languages including English, Hindi, Spanish, French, Mandarin, Arabic and Portuguese.
Can institutions use Lumio for their students?
Absolutely. Coaching centres, colleges and universities can onboard their entire cohort at no cost.
Your best study session starts today.
Join 120,000+ students learning smarter with Lumio. It's free — and it always will be.