You've BeenStudying Wrong.
Cirth Notes turns your lectures, PDFs, and scribbles into study-ready notes, flashcards, and quizzes — so you stop re-reading and start actually learning.
How it works
Upload anything
PDFs, lecture recordings, photos of your whiteboard, handwritten notes, or just paste text. Cirth turns it into study material.
Get study materials
Cirth generates structured notes, flashcards, study guides, and quizzes from your content automatically.
Study and remember
Quiz yourself with auto-generated questions. Track what you know and what to review next.
Your notes, structured.
Every note is broken into clear sections, auto-tagged by topic, and fully searchable. No more digging through messy documents — everything is organized from the moment it's created.
Works with any subject. Biology, history, calculus, literature — Cirth adapts to the content and structures it appropriately.
Plants convert sunlight into energy through photosynthesis.
Light reactions occur in the thylakoid membranes.
The Calvin cycle fixes CO₂ into glucose in the stroma.
WWII lasted from 1939 to 1945, involving most world nations.
The Allied powers included the US, UK, USSR, and France.
D-Day (June 6, 1944) was the largest seaborne invasion.
A derivative measures the instantaneous rate of change.
The power rule: d/dx[xⁿ] = nxⁿ⁻¹.
Critical points occur where f′(x) = 0 or undefined.
Prince Hamlet seeks to avenge his father’s murder.
“To be or not to be” explores existence itself.
Hamlet’s tragic flaw is indecision and overthinking.
Where do light reactions occur in photosynthesis?
Test yourself instantly.
Cirth generates quizzes directly from your notes. No manual flashcard creation, no copy-pasting questions — just upload your material and start testing what you actually retained.
Questions adapt to the content: science gets diagrams and processes, history gets dates and events, math gets problem-solving. Give it a try.
Everything you need to study smarter.
Note Generation
Upload any file and get clean, structured, tagged notes in seconds. Supports PDFs, images, audio, and text.
Auto Quizzes
Quizzes generated directly from your notes. Multiple choice, fill-in-the-blank, and more.
Flashcards
Flashcards that learn what you know and resurface what you don’t. Weak spots get more practice automatically.
Study Guides
Comprehensive guides that connect topics across your notes into a clear narrative.
Collections
Organize notes, guides, and flashcards into collections by class, topic, or project.
Sharing
Share any note, quiz, or collection with classmates via a simple link.
Start studying smarter.
Join students who stopped re-reading and started actually learning.
No credit card required. Free to use.