Learning OS

Study Studio

Turn videos, voice memos, articles, PDFs, and images into personalized study materials.

Input contents

Attach anything

YouTube video
Voice memo
PDF
Article
Image
Summary
1 / 6 checked

A study loop you can finish

Capture one useful idea.
Turn it into a summary.
Convert it into a quiz.
Make flashcards for recall.
Review what still feels weak.
Share it when it is ready.
Quiz
Question 1 of 4

What is the main idea?

A detail to memorize
The concept that connects the material
A topic to skip
A random fact that looks familiar
Flashcards
Card 1 of 8
0 / 10 memorized0%

Front

What is the core design principle of OpenAI's data agent?

Hint: Think about how complexity is managed.

Tap to flip
Infographic
Visual summary

Learning map

How active recall strengthens memory

3x

More review moments from one source

1Break down the source
2Connect key ideas
3Review with prompts
Input
Map
Recall

How it works · 01

Turn content into
study tools.

Attach YouTube videos, voice memos, PDFs, articles, and images. R-report analyzes them and turns the material into quizzes, flashcards, infographic images, and study guides.

How it works · 02

Personalized study
with AI.

R-report AI doesn't just answer questions—it writes the note for you. Tell it what matters to you, and it turns any content into a personalized note shaped around your context, your language, and the way you think.

Share
📚
ProductivityYunji·Updated 3 days ago

A note-taking system for lifelong learners

Why systems beat willpower, and a practical method for connecting what you learn each day into knowledge of your own.

Good notes do not end in storage. They become knowledge when they are reused and connected with new ideas.

My learning loop

Capture one lesson each day
Connect it to a related note
Review and improve it once a week

Develop this note with AI

Find missing perspectives and turn this learning loop into a practical weekly plan.

64%
Study Studio

14 of 22 study items done

Level 3340 XP · next level at 500

5-day streak (best 9)

7

Cards memorized

4

Quizzes aced

64%

Overall

Summary

3 / 6 checked

Quiz

4 / 4 correct

Flashcards

7 / 10 memorized

A study loop you can finish

Make flashcards for recall.

How it works · 03

Active Recall.

Practice with summaries, quizzes, and flashcards, then watch your study progress grow over time.

How it works · 04

Learn together.

Publish your study materials, discover notes from other learners, and keep the learning loop growing.

How to Read More Books
Productivity

How to Read More Books

Do you ever find yourself saying, 'I wish I had more time to read,' only to realize you've spent hours scrolling through social media?

Y
Yunji · Source: Ali Abdaal
000
Learn 80% of Claude Cowork in Under 20 Minutes
Let's learn AI

Learn 80% of Claude Cowork in Under 20 Minutes

A new AI assistant is changing the game for productivity, offering capabilities that streamline workflows and enhance efficiency like never before.

M
Marcus · Source: Jeff Su
000
I Engineered The Perfect First Date
Science

I Engineered The Perfect First Date

An uncle engineers an elaborate first date for his nephew, complete with 500 drones, training boot camps, and real-time interventions.

D
Daniel · Source: Mark Rober
000
Inside The Startup Reinventing The $6 Trillion Chemical Manufacturing Industry
Science

Inside The Startup Reinventing The $6 Trillion Chemical Manufacturing Industry

A new era of chemical manufacturing is dawning, pioneered by Solugen in Houston, Texas — replacing fossil fuels with biology.

S
Sora · Source: Y Combinator
000
How to Read More Books
Productivity

How to Read More Books

Do you ever find yourself saying, 'I wish I had more time to read,' only to realize you've spent hours scrolling through social media?

Y
Yunji · Source: Ali Abdaal
000

Why R-report

From notes kept alone
to knowledge that grows together.

Discover living notes

Start by importing

Develop notes with AI

Share and connect

Discover living notes

Find real learning in progress, follow its connections, and see how each note continues to evolve.

Start by importing

Bring a useful note into your workspace and begin with a foundation instead of a blank page.

Develop notes with AI

Question, summarize, translate, and expand a copied note without losing your own perspective.

Share and connect

Publish Open Notes, continue the conversation through messages, or reach readers with a newsletter.

Build your study system
from anything.

Upload content, turn it into study tools, and study with AI in one place.

AI-powered Study Studio | R-report