Your live AI tutor for anything on your screen
Brilly floats over any app or website you're using. Share your screen, upload your notes, and get instant step-by-step help with coding, math, languages, exam prep, or any subject — by chat or by voice.
No credit card required · Works in your browser
One assistant. Every subject. Every screen.
Brilly combines screen sharing, custom tutors, voice chat, file uploads, and web search into one live learning companion.
Screen-share tutoring
Share any browser tab and Brilly sees what you see — code in your IDE, a PDF, a spreadsheet, a lecture video — and explains it live.
Coding tutor
Debug, refactor, and learn Python, JavaScript, TypeScript, SQL, and more. Paste code, share your editor, or upload a repo.
Subject-specific tutors
Create custom tutors for math, physics, languages, or any subject. Give each one a persona and its own knowledge base.
Voice chat
Talk to Brilly with your voice in the main chat or the pop-out window. Hands-free tutoring while you work.
Files in, files out
Upload PDFs, spreadsheets, images, and notes. Brilly can also generate downloadable .pdf, .xlsx, .csv, and .md files.
Web search & sources
Turn on web search and Brilly fetches fresh info from the web with clickable sources — perfect for research.
How Brilly works
Open Brilly
Sign in for free and open the assistant in your browser. Brilly runs in a floating window that stays with you.
Share context
Share a browser tab, upload your notes or textbook, or paste a question. Brilly reads what you see in real time.
Learn live
Ask by chat or voice and get step-by-step explanations, worked examples, quizzes, and downloadable summaries.
Frequently asked questions
Everything you need to know before you start.
What is Brilly?+
Brilly is a live AI tutor and on-screen assistant. It floats over any app or website you're using — chat, share your screen, attach files, and get instant step-by-step explanations for anything you're learning or working on.
How does Brilly work with other apps?+
Brilly runs in your browser as a floating window and can watch a tab you share with it. When you share your screen, it reads what's visible and answers questions about that exact context — code in your IDE tab, a PDF you're reading, a spreadsheet, a lecture video, or a design tool.
Is Brilly free?+
Yes — you can start using Brilly for free with a generous daily allowance. Paid plans unlock higher usage, larger file uploads, more custom tutors, screen sharing without limits, and priority models. See the pricing page for current tiers.
What subjects can Brilly tutor?+
Anything. Brilly is subject-agnostic and works for coding (Python, JavaScript, TypeScript, SQL, C++, and more), math, physics, chemistry, biology, languages, history, business, design, music theory, and exam prep. You can also create a custom tutor with its own persona and knowledge files for a specific subject.
Can I bring my own API key?+
Yes. Brilly supports Bring-Your-Own-Key (BYOK) for OpenAI, Google Gemini, Anthropic Claude, xAI Grok, DeepSeek, Mistral, and Groq. Switch between your own key and Brilly's built-in models at any time.
Does Brilly work with voice?+
Yes — talk to Brilly with your voice in both the main chat and the pop-out chat window. Great for hands-free tutoring while you code, cook, drive, or exercise.
Can Brilly create files for me?+
Yes. Brilly can generate downloadable .txt, .md, .csv, .json, .xlsx, and .pdf files from any chat — lists of links, study notes, tables of data, summaries, and more.
Is my data private?+
Yes. Screen-share frames and uploaded files are processed only to answer your questions and are not sold or used to train third-party models. You can delete your data at any time from the Account page.
Ready to learn faster?
Open Brilly in your browser and start your first tutoring session in under a minute. No install, no credit card.
Your data stays yours — never sold, never used to train third-party models.